Key Washer

NSN: 5310-00-899-2181 | Model: MS9276-13

A washer of nonresilient material usually having two parallel bearing surfaces. The outside and/or inside edges have one or more protuberances. The ends and/or edges may be prebent at any angle or the protuberances may be prebent at any angle to the bearing surfaces. The keys or lugs may be fitted into keyways in adjacent material or they may be bent over after application to hold or lock one or more items in place. Excludes thrust type washer.

NSN Properties and Flags

NATO Stock Number

5310-00-899-2181

DEMIL

Hole Diameter

Between 0.450 inches and 0.455 inches

Outside Diameter

Between 0.685 inches and 0.695 inches

External Prebent Key Length

Between 0.150 inches and 0.160 inches

External Tapered Key Width

Between 0.390 inches and 0.400 inches

External Prebent Key Width

Between 0.170 inches and 0.175 inches

Distance From Centerline To Inside Of Prebent Key

Between 0.415 inches and 0.425 inches

Overall Distance Including Keys

Between 0.977 inches and 1.000 inches

Split Key Length

0.180 inches

External Key Quantity

Material Thickness

Between 0.032 inches and 0.040 inches

Angle Between External Keys

Between 58.0 degrees and 62.0 degrees

Special Features

Both angular keys bent 15 degrees in opposite direction of prebent key

Material

Steel comp 321

Material Specification

Ams 5510 assn standard single material response

Style Designator

Key

Recent Solicitations

Solicitation	Return by Date	Buyer Code	Quantity
SPE5E319T302Z	2019-07-19	PHPHC	2705 EA

Inventory Check

The last inventory check on this NSN was done on 10/13/2023. Due to rapid changes in inventory this may not be the current stock qty.

New Surplus: 603
New: 4782
Serviceable: 1

Pricing and Availability

Send us a request for quote using the form below. Our team will contact you with an up to date pricing and availability quote ASAP.

Certified Quality Assurance

ISO 9001:2015 + AS9120B
Counterfeit Parts Prevention
100% Product Inspections
7 Year Record Retention
On Time Delivery
HAZMAT Certified
Worldwide Shipping

NSN 5310-00-899-2181 Datasheet

Supply Class (FSC):

Nuts And Washers

Cross Reference:

MS9276-13
317746
317746
317746

Cage Codes:

Military Standards (CAGE 96906)
Trego Inc (CAGE 30201)
Atomic Energy Commission (CAGE 81924)
United Technologies Corporation (CAGE 77445)

Replacements:

5310-00-899-2181 replaces 5310-00-672-0553
5310-00-899-2181 replaces 5310-00-690-5633

Schedule B & Trade:

Schedule B: 7318220000 (NAICS 332722)

Washers other than lock washers, iron or steel
SITC: 69422

Screws, bolts, nuts, screw hooks, rivets, washers and similar articles, not threaded, of iron or steel
End Use: 12300

Finished metal shapes

Identification:

HMIC

N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

PMIC

U - Precious metal content is unknown

CRITL

- The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Freight Information:

NMFC:

194160 - Washer or gaskets, iron or steel,
WCC:

713 - Metal hardware
SHC:

9 - Other or no special handling required (sh)
ADC:

A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.
ACC:

B - Construction materials: includes paint and related materials, prefabricated building, wood products, metal and composition mater
LTL:

U - 50.0
TCC:

Z - No special type of cargo code applicable

NSN Management Codes:

SOS
Sms
AAC
D
Quantity per pack
100
Unit of Measure
Ea
Shelf Life
N/A
Classification Control
U
MGMT_CTL
T2200x-
Repariability
This is a nonreparable item. if condemned or economically unserviceable, then dispose at the level authorized replace the item.

Questions & Answers:
What are the historical prices recorded for this stock number?
Historical data shows pricing from $2.35 to $3.92..
Does NSN 5310-00-899-2181 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Department Of The Army, Department Of The Air Force, U.s. Marine Corps, Department Of The Navy, Slovenia, Poland, Brazil, Spain, Columbia, Singapore, Malaysia, Australia, Canada, New Zealand, France, Republic Of Korea, Italy, Norway, Greece, and Turkey
What is the NIIN of NSN 5310-00-899-2181?
008992181 or 00-899-2181
Does NSN 5310-00-899-2181 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 5310-00-899-2181?
Solicitation SPE5E319T302Z for qty 2705 on 07/12/2019
When was this national stock number assigned to the federal catalog?
Feb 08, 1967