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NSN 5310-01-217-4643Government record, cited

Washer, Flat5310-01-217-4643

NSN 5310-01-217-4643 · NIIN 012174643 · Part number 310 6560
Hiab Usa Inc · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 34914
Government record, cited
NSN 5310-01-217-4643 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-217-4643. Manufacturer of record part number: 310 6560.
Also searched as  5310-01-217-4643 · 5310012174643 · NIIN 012174643 · 01-217-4643 · FSC 5310 Nuts and Washers · CAGE 34914 · 310 6560 · 3999025 · 3999025
Nearby stock numbers  ·
Features
  • Washer,flat — FSC 5310
  • Width Across Flats: 45.0 MILLIMETERS NOMINAL MM
  • Cross-Sectional Shape Style: RECTANGULAR
  • Surface Treatment: ZINC OVERALL
  • Peripheral Shape Style: SQUARE
  • Material: STEEL OVERALL
  • Center Hole Shape Style: ROUND
  • Hole Diameter: 23.0 MILLIMETERS NOMINAL MM
Identification
  • NSN: 5310-01-217-4643
  • NIIN: 012174643
  • FSC: 5310 — Nuts and Washers
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: 310 6560
  • Manufacturer: Hiab Usa Inc
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-217-4643, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Hiab Usa Inc. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-217-4643
Primary Part Number310 6560
Item NameWasher,flat
FSC / FSG5310 / 53 — Nuts and Washers
ManufacturerHiab Usa Inc
StatusACTIVE
Width Across Flats45.0 MILLIMETERS NOMINAL MM
Cross-Sectional Shape StyleRECTANGULAR
Surface TreatmentZINC OVERALL
Peripheral Shape StyleSQUARE
MaterialSTEEL OVERALL
Center Hole Shape StyleROUND
Hole Diameter23.0 MILLIMETERS NOMINAL MM
Thickness8.0 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
3999025 Oshkosh Defense Llc (USA)
310 6560 PRIMARY Hiab Usa Inc (USA)
Reference documents
ReferenceMeaning
3999025 5/9 Secondary reference
Oshkosh Corp
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 5310-01-217-4643?

NSN 5310-01-217-4643 is a Washer,flat, manufactured by Hiab Usa Inc, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-217-4643?

NSN 5310-01-217-4643 has 2 manufacturer part numbers on file: 3999025 (Oshkosh Defense Llc), 310 6560 (Hiab Usa Inc).

What are the specifications of 310 6560?

Key specifications for 310 6560: Width Across Flats: 45.0 MILLIMETERS NOMINAL MM; Cross-Sectional Shape Style: RECTANGULAR; Surface Treatment: ZINC OVERALL; Peripheral Shape Style: SQUARE. 8 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-217-4643 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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