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Datasheet. 31999-2 specification
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
3b
The direction of the thread when viewed axially. a right-hand thread winds in a clockwise direction while a left-hand thread winds in a counterclockwise direction.
RIGHT-Hand
The length of a straight line which passes through the center of that portion used to guide the item and terminates at the circumference.
0.333in. and 0.336in.
The length of the pilot,which is the unthreaded portion beyond the thread used to guide the item.
0.139in. and 0.142in.
The style designation indicating the configuration that most nearly corresponds to the appearance of the nut.
clinch
0.427in. and 0.447in.
0.240in. and 0.250in. ⁓1/4"
A designation indicating the diameter-pitch combination and the number of threads per measurement scale applied to a series of diameters.
unc
The number of threads on the item per linear inch measured on a line parallel to the thread axis.
20
A designation that is used for the purpose of general identification of the thread.
0.250in. ⁓1/4"
The name assigned to the item by the government agency or commercial organization controlling the design of the item.
navy special project
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel
Answers.
1EA
Steel
20
Right-hand
3b
Schedule B number: 7318160000
nmfc 093490
Nuts of 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 5310-00-596-8724 NUT,PLAIN,CLINCH
navy special project 20 thread quantity per inch right-hand 3b thread class
- NIIN
- 005968724
- NIIN Date
- 01/01/63
- Schedule B
- 7318160000
- Name Code
- 01860
- FIIG
- A021A0
- QUP
- 1
- Historical Price
- $0.38 EA
- DEMIL / ITAR
- Uncontrolled item (Code A)
- Hazmat
- No hazard information available from HMIRS.
- MSDS
- N/A
- Precious Metals
- Metal content unknown
- 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. | W2551-32 | Cage 11530 |
| 2. | W2551-32 | Cage 11530 |
| 3. | W2551-32 | Cage 11530 |
| 4. | W2551-32 | Cage 11530 |
Major End Users Countries and entities
- - Department of The Navy
Availability for 31999-2 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)
- Bolts or nuts (iron or steel),(less than 35 feet)
- NMFC (national motor freight code)
- 093490 BOLT/NUT/SCREW/CLIPS/FASTENER/ETC
- UFC (universal freight code)
- 50270
Similar by Design Other nuts with similar characteristics
Nothing similar to this part number was found in our inventory
31999-2 / Nut,plain,clinchWhat is the formal definition of this item?
A nut having a sleeve portion on its under side, which can be crimped or clinched to hold the item in place when inserted in a hole.
