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Quality Commitment
Serving our customers with quality and safety first.
- AS9120 Certified
- Audited supply chain
- ITAR Registered
- DDTC Registered
- HAZMAT Certified
- Customer service objectives
- Every product 100% inspected
Datasheet. 521608 specification
The style designation indicating the configuration that most nearly corresponds to the cross-sectional shape of the item.
rectangular
The length of a straight line which passes through the center of a hole,and terminates at the circumference.
0.139in. and 0.159in. ⁓11/64"
The style designation indicating the configuration that most nearly corresponds to the peripheral shape of the item.
round
The style designation indicating the configuration that most nearly corresponds to the shape of the center hole.
1 round
A measurement of the smallest dimension of an item,in distinction from length or width.
0.022in. and 0.042in. ⁓3/64"
A measurement of the longest straight line across a circular cross-sectional plane.
0.370in. and 0.395in. ⁓13/32"
The national stock number or the identification information of the end equipment for which the item is a part.
w/s: support equipment, B-52 aircraft; airborne mobile dir air spt ctl (2id) , (02m JUL83) (an/UYQ-3A) ; fire pumps; engine, aircraft TF33-PW-102 (C-135E, EC-135H/k/p) ; aircraft, thunderbolt ii, A-10; aircraft, (AC-130H, MC130H, EC-130E, HC-130) ; test consoles, MINI-Sace; support equipment, B-1 aircraft; trainer, B-1B aircraft; missile, advanced medium range, AIR-TO-Air (amraam) /AIM120A
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.
MIL-S-7952 mil spec single material response or QQ-S-698 fed spec single material response
The metallic,nonmetallic,and/or chemical properties with which the item is plated,dipped,and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.
cadmium and chromate
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.
QQ-P-416, ty 2, cl 3 fed spec single treatment response
The number,letter,or symbol that indicates the type,style,grade,class,and the like,of an item in a nonidentifying specification or standard.
a type and 2 grade and a class
Answers.
1HD
Steel
0.139 inches minimum and 0.159 inches maximum
Schedule B number: 7318220000
nmfc 194160
Washers other than lock washers, iron or steel
FSC 5310 ⁓ Nuts and washers
Note-nuts and washers, including specially designed, are to be classified in this fsc. a. nuts are a small metal block made in a variety of shapes such as square and hexagonal which is drilled and internally threaded. b. washers are a perforated piece of metal, leather, or other materials of various shapes or forms. they are used primarily as a seat for a bolt, nut, screw, rivet or nail to distribute pressure and prevent endwise motion over an area and/or to prevent movement between two parts by means of restraining features created by the shape of its edges.
Excluding bearing thrust washers (fsc 3120); shims (fsc 5365); ring spacers (fsc 5365); plate spacers (fsc 5365); lock rings (fsc 5365).
NSN 5310-00-167-0816 WASHER,FLAT
Used on w/s: support equipment, b-52 aircraft; airborne mobile dir air spt ctl (2id), (02m jul83) (an/uyq-3a); fire pumps; engine, aircraft tf33-pw-102 (c-135e, ec-135h/k/p); aircraft, thunderbolt ii, a-10; aircraft, (ac-130h, mc130h, ec-130e, hc-130); test consoles, mini-sace; support equipment, b-1 aircraft; trainer, b-1b aircraft; missile, advanced medium range, air-to-air (amraam)/aim120a. cadmium surface treated 0.139" hole diameter
- NIIN
- 001670816
- NIIN Date
- 01/01/63
- Schedule B
- 7318220000
- Name Code
- 13393
- FIIG
- A022B0
- Item Weight
- 0.100lbs
- Item Dimensions
- --
- QUP
- 1
- Historical Price
- $3.28 HD
- DEMIL / ITAR
- Uncontrolled item (Code A)
- Hazmat
- No hazard information available from HMIRS.
- MSDS
- N/A
- Precious Metals
- No precious metals
- Enviromental
- N/A
- Electrostatic ESD & EMI
- No ESD or EMI sensitivity
Other Part Numbers Parts with same form, fit, and function by other manufacturers
| 1. | 530024 | Cage D9182 |
| 2. | AN9606 | Cage D9182 |
| 3. | R5131-6 | Cage D9182 |
| 4. | AN960-6 | Cage 88044 |
| 5. | 5-4-1332-17-36 | Cage 81337 |
| 6. | 113B2363P6 | Cage 89954 |
| 7. | 00861-0617-0001 | Cage D9182 |
| 8. | 210-0803-00 | Cage D9182 |
| 9. | 21238 | Cage D9182 |
| 10. | 252563 | Cage D9182 |
| 11. | 911239 | Cage 2A659 |
| 12. | 0717293 | Cage S3002 |
| 13. | ASNA2397-6 | Cage F5442 |
| 14. | 5-220-1-06-000 | Cage F0086 |
| 15. | Z00.N5741503150 | Cage F0086 |
| 16. | 2410019 | Cage FB459 |
| 17. | 407 562 | Cage 77294 |
| 18. | 5337-0600 | Cage 0KDP7 |
| 19. | 004-003081-016 | Cage 26916 |
| 20. | 911239 | Cage 06848 |
| 21. | 910C331-6 | Cage 99167 |
| 22. | 2410019 | Cage 001JK |
| 23. | 10965052 | Cage 19203 |
| 24. | 113B2363P6 | Cage 24446 |
| 25. | 21238 | Cage 06650 |
| 26. | 910C331-6 | Cage 83843 |
| 27. | 2410019 | Cage S4956 |
| 28. | 49011010 | Cage 25405 |
| 29. | 1405 | Cage 72914 |
| 30. | 1405 | Cage 73734 |
| 31. | 25906 | Cage 99167 |
| 32. | 12884-5 | Cage 00539 |
| 33. | 801174-00 | Cage 32345 |
| 34. | 5310001670816 | Cage SCY13 |
| 35. | P284145 | Cage 70408 |
| 36. | 5-4-1332-17-36 | Cage 05699 |
Major End Users Countries and entities
- - Department of The Navy
- - Department of The Army
- - National Security Agency
- - U.s. Marine Corps
- - Defense Threat Reduction Agency
- - Austria
- - Lithuania
- - Slovenia
- - Poland
- - Romania
- - Bulgaria
- - Brazil
- - Spain
- - Israel
- - Singapore
- - Kuwait
- - Morocco
- - Saudi Arabia
- - Malaysia
- - Thailand
- - Australia
- - Belgium
- - Canada
- - New Zealand
- - France
- - Germany
- - Republic of Korea
- - United Kingdom
- - Philippines
- - Netherlands
- - Portugal
- - Italy
- - Denmark
- - Norway
- - Greece
- - Turkey
- - Nato Maintenance And Supply Agency
Availability for 521608 A member of our team will provide you with a price and availability quote
Request a Quote »Shipping Information
- Special Handling
- Other or no special handling required (sh)
- LTL (less than a truck load rating)
- 50.0
- LCL (less than a car load rating)
- Unknown
- Special Cargo
- No special type of cargo code applicable
- Air Freight (Minimum cargo door size required)
- Shipment is not a consolidation and does not exceed 84 inches in any dimension.
- Customs Requirement Classification
- Construction materials: includes paint and related materials, prefabricated building, wood products, metal and composition mater
- Commodity (for shipments via water)
- Metal hardware
- NMFC (national motor freight code)
- 194160 WASHER OR GASKETS, IRON OR STEEL,
- UFC (universal freight code)
- 55210
Similar by Design Other washers with similar characteristics
Nothing similar to this part number was found in our inventory
521608 / Washer,flatWhat is the formal definition of this item?
A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. the hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). the thickness cannot exceed 25 percent of the largest outside dimension. when the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. the maximum tolerance is applied to dimensions and used as a determining factor. items with separable lamination use shim. for items fabricated from ceramic or electrically rated materials by specification or industry standards use insulator (1), washer. excludes disk, valve, graphite impregnated and lubricated items.
