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NSN 5310-01-511-0279Government record, cited

Washer, Flat5310-01-511-0279

NSN 5310-01-511-0279 · NIIN 015110279 · Part number FW-3
Reid Supply Company · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 01599
Government record, cited
NSN 5310-01-511-0279 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-511-0279. Manufacturer of record part number: FW-3.
Also searched as  5310-01-511-0279 · 5310015110279 · NIIN 015110279 · 01-511-0279 · FSC 5310 Nuts and Washers · CAGE 01599 · FW-3
Nearby stock numbers  ·
Features
  • Washer,flat — FSC 5310
  • Overall Diameter: 0.938 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: RECTANGULAR
  • Features Provided: CASEHARDENED
  • Color: BLACK OVERALL
  • Surface Treatment: OXIDE OVERALL
  • Peripheral Shape Style: ROUND
  • Material: STEEL OVERALL
Identification
  • NSN: 5310-01-511-0279
  • NIIN: 015110279
  • FSC: 5310 — Nuts and Washers
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: FW-3
  • Manufacturer: Reid Supply Company
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-511-0279, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Reid Supply Company. Government technical data includes 10 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
NSN5310-01-511-0279
Primary Part NumberFW-3
Item NameWasher,flat
FSC / FSG5310 / 53 — Nuts and Washers
ManufacturerReid Supply Company
StatusACTIVE
Overall Diameter0.938 INCHES NOMINAL IN
Cross-Sectional Shape StyleRECTANGULAR
Features ProvidedCASEHARDENED
ColorBLACK OVERALL
Surface TreatmentOXIDE OVERALL
Peripheral Shape StyleROUND
MaterialSTEEL OVERALL
Center Hole Shape StyleROUND
Hole Diameter0.391 INCHES NOMINAL IN
Thickness0.188 INCHES NOMINAL IN
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
FW-3 PRIMARY Reid Supply Company (USA)
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 5310-01-511-0279?

NSN 5310-01-511-0279 is a Washer,flat, manufactured by Reid Supply Company, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-511-0279?

NSN 5310-01-511-0279 has 1 manufacturer part number on file: FW-3 (Reid Supply Company).

What are the specifications of FW-3?

Key specifications for FW-3: Overall Diameter: 0.938 INCHES NOMINAL IN; Cross-Sectional Shape Style: RECTANGULAR; Features Provided: CASEHARDENED; Color: BLACK OVERALL. 10 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-511-0279 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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