The Washer,flat, cataloged under National Stock Number 5310-01-159-7400, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Huck International, Inc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5310-01-159-7400 |
| Primary Part Number | 320-1897 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Huck International, Inc |
| Status | CANCELLED |
| Test Data Document | 18876-13142983-22/10 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING) |
| Acquisition Status | CANCELLED |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 320-1897 PRIMARY | Huck International, Inc (USA) |
| 13142983-22/10 | Us Army Aviation and Missile Command (USA) |
| Reference | Meaning |
|---|---|
| 80000433 | 5/9 Secondary reference Caterpillar Paving Products Inc |
| 13142983 | D/9 Drawing number reference only Us Army Aviation and Missile Command |
| 13142983-22/10 | 5/1 Secondary reference Deutz Corporation |
NSN 5310-01-159-7400 is a Washer,flat, manufactured by Huck International, Inc, classified under FSC 5310, Nuts and Washers. Status: cancelled.
NSN 5310-01-159-7400 has 2 manufacturer part numbers on file: 320-1897 (Huck International, Inc), 13142983-22/10 (Us Army Aviation and Missile Command).
2 possible matches (shared part number, not a government interchangeability claim): 2910-01-234-7974, 5310-01-235-1933. Verify interchangeability with system specifications before substitution.
Key specifications for 320-1897: Test Data Document: 18876-13142983-22/10 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING). 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 5310-01-159-7400 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.
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.