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NSN 5310-01-609-7805Government record, cited

Washer, Flat5310-01-609-7805

NSN 5310-01-609-7805 · NIIN 016097805 · Part number 0078638/A
Hardware Specialty Co Inc · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 7R019
Government record, cited
NSN 5310-01-609-7805 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-609-7805. Manufacturer of record part number: 0078638/A.
Also searched as  5310-01-609-7805 · 5310016097805 · NIIN 016097805 · 01-609-7805 · FSC 5310 Nuts and Washers · CAGE 7R019 · 0078638/A
Nearby stock numbers  ·
Features
  • Washer,flat — FSC 5310
  • Overall Diameter: 0.437 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: RECTANGULAR
  • Peripheral Shape Style: ROUND
  • Material: PLASTIC POLYAMIDE NYLON OVERALL
  • Center Hole Shape Style: ROUND
  • Hole Diameter: 1.95 INCHES NOMINAL IN
  • Thickness: 0.03 INCHES NOMINAL IN
Identification
  • NSN: 5310-01-609-7805
  • NIIN: 016097805
  • FSC: 5310 — Nuts and Washers
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: 0078638/A
  • Manufacturer: Hardware Specialty Co Inc
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-609-7805, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Hardware Specialty Co Inc. Government technical data includes 7 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
NSN5310-01-609-7805
Primary Part Number0078638/A
Item NameWasher,flat
FSC / FSG5310 / 53 — Nuts and Washers
ManufacturerHardware Specialty Co Inc
StatusACTIVE
Overall Diameter0.437 INCHES NOMINAL IN
Cross-Sectional Shape StyleRECTANGULAR
Peripheral Shape StyleROUND
MaterialPLASTIC POLYAMIDE NYLON OVERALL
Center Hole Shape StyleROUND
Hole Diameter1.95 INCHES NOMINAL IN
Thickness0.03 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
0078638/A PRIMARY Hardware Specialty Co Inc (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 5310-01-609-7805?

NSN 5310-01-609-7805 is a Washer,flat, manufactured by Hardware Specialty Co Inc, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-609-7805?

NSN 5310-01-609-7805 has 1 manufacturer part number on file: 0078638/A (Hardware Specialty Co Inc).

What are the specifications of 0078638/A?

Key specifications for 0078638/A: Overall Diameter: 0.437 INCHES NOMINAL IN; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND; End Item Identification: 5895-01-569-1327. 7 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-609-7805 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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