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NSN 5310-01-377-9930Government record, cited

Washer, Flat5310-01-377-9930

NSN 5310-01-377-9930 · NIIN 013779930 · Part number 10503731
General Dynamics Land Systems Canadacorp · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 56161
Government record, cited
NSN 5310-01-377-9930 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-377-9930. Manufacturer of record part number: 10503731.
Also searched as  5310-01-377-9930 · 5310013779930 · NIIN 013779930 · 01-377-9930 · FSC 5310 Nuts and Washers · CAGE 56161 · 10503731
Nearby stock numbers  ·
Features
  • Washer,flat — FSC 5310
  • Overall Diameter: 31.76 MILLIMETERS NOMINAL MM
  • Cross-Sectional Shape Style: RECTANGULAR
  • Peripheral Shape Style: ROUND
  • Center Hole Shape Style: ROUND
  • Hole Diameter: 10.5 MILLIMETERS NOMINAL MM
  • Thickness: 0.79 MILLIMETERS NOMINAL MM
  • 1 manufacturer part number on file
Identification
  • NSN: 5310-01-377-9930
  • NIIN: 013779930
  • FSC: 5310 — Nuts and Washers
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: 10503731
  • Manufacturer: General Dynamics Land Systems Canadacorp
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-377-9930, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is General Dynamics Land Systems Canadacorp. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-377-9930
Primary Part Number10503731
Item NameWasher,flat
FSC / FSG5310 / 53 — Nuts and Washers
ManufacturerGeneral Dynamics Land Systems Canadacorp
StatusACTIVE
Overall Diameter31.76 MILLIMETERS NOMINAL MM
Cross-Sectional Shape StyleRECTANGULAR
Peripheral Shape StyleROUND
Center Hole Shape StyleROUND
Hole Diameter10.5 MILLIMETERS NOMINAL MM
Thickness0.79 MILLIMETERS NOMINAL MM
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
10503731 PRIMARY General Dynamics Land Systems Canadacorp (CAN)
No interchangeability data on file.
Other items in FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040
5310-00-000-0040 · Item name not on file
5310-00-000-0077
NUT,PLAIN,ROUND
5310-00-000-0079
WASHER,FLAT
5310-00-000-0079
WASHER,FLAT
5310-00-000-1146
5310-00-000-1146 · Item name not on file
5310-00-000-3815
5310-00-000-3815 · Item name not on file
5310-00-000-4532
5310-00-000-4532 · Item name not on file
5310-00-000-4540
5310-00-000-4540 · Item name not on file

Frequently Asked Questions

What is NSN 5310-01-377-9930?

NSN 5310-01-377-9930 is a Washer,flat, manufactured by General Dynamics Land Systems Canadacorp, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-377-9930?

NSN 5310-01-377-9930 has 1 manufacturer part number on file: 10503731 (General Dynamics Land Systems Canadacorp).

What are the specifications of 10503731?

Key specifications for 10503731: Overall Diameter: 31.76 MILLIMETERS NOMINAL MM; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND; Center Hole Shape Style: ROUND. 6 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-377-9930 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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