1127858

1127858 Lock Washer

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Datasheet. 1127858 specification

Hole Diameter
The length of a straight line which passes through the center of a hole,and terminates at the circumference.

0.398in. ⁓13/32"

Outside Diameter
The length of a straight line which passes through the center of a circular figure or body,and terminates at the outside circumference.

0.750in.

Overall Height
The distance measured in a straight line from the bottom to the top of an item.

0.175in.

Material Thickness
A measurement of the smallest dimension of the material,in distinction from length or width.

0.050in.

Hardness Rating
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.

40.0 rockwell c and 50.0 rockwell c

Special Features
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.

the shoulder of the igniter washer is 0.4925 in. outside dia. by 0.125 in. long; 0.046 in. stock of shoulder; package 100 igniter washers in unit containers with 5 unit containers in one intermediate container; used on igniter mk 130 mod 1, for 5.0 in. rkt mtr mk 16 mod 1 for zuni

Material
The chemical compound or mechanical mixture properties of which the item is fabricated.

steel

Surface Treatment
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

Answers.

What material is the lock washer made of ?

Steel

What is the thickness?

0.050 inches

What is the outside diameter?

0.750 inches

What is the inside hole diameter?

0.398 inches

What is the NSN for 1127858?

5310-01-122-8423

How is this classified for shipping?

Schedule B number: 7318210000
nmfc 194160
Spring washers and other lock washers, iron or steel

What's the federal classification of 1127858?

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 5310-01-122-8423 WASHER,LOCK

cadmium surface treated the shoulder of the igniter washer is 0.4925 in. outside dia. by 0.125 in. long; 0.046 in. stock of shoulder; package 100 igniter washers in unit containers with 5 unit containers in one intermediate container; used on igniter mk 130 mod 1, for 5.0 in. rkt mtr mk 16 mod 1 for zuni 0.050" material thickness 0.750" outside diameter 0.398" hole diameter

NIIN
011228423
NIIN Date
12/01/81
Schedule B
7318210000 
Name Code
14218
FIIG
A022B0
DEMIL / ITAR
Uncontrolled item (Code A)
Hazmat
No hazard information available from HMIRS.
MSDS
N/A
Precious Metals
--
Enviromental
N/A
Electrostatic ESD & EMI
No ESD or EMI sensitivity

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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)
50.0
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

1127858 / Washer,lockWhat is the formal definition of this item?

A washer which is usually round with a centrally located hole. its edges and two bearing surfaces are so designed that applied pressure brings into play the spring tension and/or frictional locking principle which materially resists any tendency toward turning. it may be made of one or two pieces