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Flat Washer

NSN: 5310-01-531-6759 | Model: 90108A415

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 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.

NSN Properties and Flags
NATO Stock Number
5310-01-531-6759
DEMIL
NO
Cross Sectional Shape
Rectangular
Hole Diameter
0.3750 inches
Edge Shape
Round
Center Hole Shape
Round
Thickness
Between 0.06 inches and 0.11 inches
Overall Diameter
0.310 inches
End Application
2510-01-525-2652 kit assembly, perimeter w/undercarriage armor, mak 2-door, hmmwv
Part Name Assigned By Controlling Agency
Type a uss flatwasher
Special Features
For 5/16" screw size
Material
Steel
Surface Treatment
Zinc

Parts List for Perimeter With Under Car Mak Kit  

Other components in the assembly of NSN 2510-01-525-2652
Recent Solicitations
Solicitation Return by Date Buyer Code Quantity
SPE5EK20T0867 2019-10-30 PHPHC 9465 EA

Pricing and Availability

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NSN 5310-01-531-6759 Datasheet

Supply Class (FSC):
Nuts And Washers
Cross Reference:
  • 90108A415
  • 90108A415
  • W221NAAN031SN014NNCF1
Cage Codes:
  • Carr Supply Company Mcmaster (CAGE 39428)
  • Carr Supply Company Mcmaster (CAGE 0KVE6)
  • American Society Of Mechanical (CAGE 05047)
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

A - Item does not contain precious metal.

ESD

A - No known electrostatic discharge (esd) or electromagnetic interference (emi) sensitivity.

ADPE

- Represents items with no adp components

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 $0.24 to $0.41..
Does NSN 5310-01-531-6759 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, Canada, and Republic Of Korea
What is the NIIN of NSN 5310-01-531-6759?
015316759 or 01-531-6759
Does NSN 5310-01-531-6759 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 5310-01-531-6759?
Solicitation SPE5EK20T0867 for qty 9465 on 10/23/2019
When was this national stock number assigned to the federal catalog?
Jul 19, 2005