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NSN 5310-01-721-9684Government record, cited

Washer, Concave5310-01-721-9684

NSN 5310-01-721-9684 · NIIN 017219684 · Part number 15854745
General Motors Llc Dba General Motors Llc · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 7X677
Government record, cited
NSN 5310-01-721-9684 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-721-9684. Manufacturer of record part number: 15854745.
Also searched as  5310-01-721-9684 · 5310017219684 · NIIN 017219684 · 01-721-9684 · FSC 5310 Nuts and Washers · CAGE 7X677 · 15854745
Nearby stock numbers  ·
Features
  • Washer,concave — FSC 5310
  • Style Designator: SHOULDERED AND RECESSED
  • Outside Diameter: 3.21 INCHES NOMINAL IN
  • Width Between Flats: 0.39 INCHES NOMINAL IN
  • Surface Treatment: ZINC OVERALL
  • Material: STEEL CORROSION RESISTING OVERALL
  • Hole Diameter: 0.57 INCHES NOMINAL IN
  • 1 manufacturer part number on file
Identification
  • NSN: 5310-01-721-9684
  • NIIN: 017219684
  • FSC: 5310 — Nuts and Washers
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: 15854745
  • Manufacturer: General Motors Llc Dba General Motors Llc
General Description

The Washer,concave, cataloged under National Stock Number 5310-01-721-9684, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is General Motors Llc Dba General Motors Llc. 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
NSN5310-01-721-9684
Primary Part Number15854745
Item NameWasher,concave
FSC / FSG5310 / 53 — Nuts and Washers
ManufacturerGeneral Motors Llc Dba General Motors Llc
StatusACTIVE
Style DesignatorSHOULDERED AND RECESSED
Outside Diameter3.21 INCHES NOMINAL IN
Width Between Flats0.39 INCHES NOMINAL IN
Surface TreatmentZINC OVERALL
MaterialSTEEL CORROSION RESISTING OVERALL
Hole Diameter0.57 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
15854745 PRIMARY General Motors Llc Dba General Motors Llc (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 5310-01-721-9684?

NSN 5310-01-721-9684 is a Washer,concave, manufactured by General Motors Llc Dba General Motors Llc, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-721-9684?

NSN 5310-01-721-9684 has 1 manufacturer part number on file: 15854745 (General Motors Llc Dba General Motors Llc).

What are the specifications of 15854745?

Key specifications for 15854745: Style Designator: SHOULDERED AND RECESSED; Outside Diameter: 3.21 INCHES NOMINAL IN; Width Between Flats: 0.39 INCHES NOMINAL IN; Surface Treatment: ZINC OVERALL. 6 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-721-9684 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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