Lock Washer

NSN: 5310-00-187-2427 | Model: 99D5DBTPC503B

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

NSN Properties and Flags

NATO Stock Number

5310-00-187-2427

DEMIL

Hole Diameter

Between 0.382 inches and 0.393 inches

Outside Diameter

0.683 inches

Material Thickness

Between 0.094 inches and 0.104 inches

End Application

Mrap rg-33

Min. Tensile Strength (psi)

155000 pounds per square inch

Hardness Rating

Between 33.0 rockwell c and 40.0 rockwell c

Material

Nickel alloy a

Material Specification

Qq-n-286 federal specification single material response

Style Designator

Split helical-right hand

Inventory Check

The last inventory check on this NSN was done on 11/30/2021. Due to rapid changes in inventory this may not be the current stock qty.

New Surplus: 602
New: 785

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 5310-00-187-2427 Datasheet

Supply Class (FSC):

Nuts And Washers

Cross Reference:

99D5DBTPC503B
2477283PC18
1737560-30
2151312-1
MS35338-122
004-003005-003
MS35338-122

Cage Codes:

Pentair Pump Group, Inc. (CAGE 10613)
Naval Ship Engineering Center (CAGE 25685)
Zf Industrieantriebe Witten Gmbh (CAGE D9182)
National Aerospace Standards (CAGE 80205)
Northrop Grumman Systems Corporation (CAGE 26916)
Military Standards (CAGE 96906)

Replacements:

5310-00-187-2427 replaces 5310-00-209-0754

Schedule B & Trade:

Schedule B: 8710000090 (NAICS 336992)

Parts of armored fighting vehicles, motorized, whether or not fitted with weapons
SITC: 89111

Tanks and other armored fighting vehicles, motorized, whether or not fitted with weapons, and parts of such vehicles
End Use: 50030

Military trucks, armored vehicles, etc.

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
1
Unit of Measure
Hd
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 $195.13 to $325.22..
Does NSN 5310-00-187-2427 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, U.s. Coast Guard, National Aeronautics and Space Administration, Brazil, Spain, Malaysia, Canada, Republic Of Korea, United Kingdom, Netherlands, Italy, Greece, and Turkey
What is the NIIN of NSN 5310-00-187-2427?
001872427 or 00-187-2427
Does NSN 5310-00-187-2427 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 5310-00-187-2427?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jan 01, 1963