The Retainer,nut and Bolt, cataloged under National Stock Number 5340-01-681-2003, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Fatigue Technology, Inc. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 9 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Item Name | Retainer,nut and Bolt |
| FSC / FSG | 5340 — Hardware, Commercial (FSG 53) |
| Manufacturers | Fatigue Technology, Inc (CAGE 51439) |
| Parameter | Value |
|---|---|
| NSN | 5340-01-681-2003 |
| Primary Part Number | FR1696A3C2N37 |
| Item Name | Retainer,nut and Bolt |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Fatigue Technology, Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| FR1696A3C2N37 PRIMARY | Fatigue Technology, Inc (USA) |
| Reference | Meaning |
|---|---|
| 4900-023 | D/9 Drawing number reference only Fatigue Technology, Inc |
NSN 5340-01-681-2003 is a Retainer,nut and Bolt, manufactured by Fatigue Technology, Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-681-2003 has 1 manufacturer part number on file: FR1696A3C2N37 (Fatigue Technology, Inc).
9 possible matches (shared part number, not a government interchangeability claim): 5340-01-681-2023, 5340-01-681-2035, 5340-01-681-2042. Verify interchangeability with system specifications before substitution.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
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.