The Retainer,nut and Bolt, cataloged under National Stock Number 5340-01-181-9372, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company. The record lists 4 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Item Name | Retainer,nut and Bolt |
| FSC / FSG | 5340 — Hardware, Commercial (FSG 53) |
| Manufacturers | Fdh Aero, Llc (CAGE 1BRD5); The Boeing Company (CAGE 8V613); Esna, Llc (CAGE 019L2); Boeing Distribution Services Defense Llc (CAGE 3G1W3) |
| Parameter | Value |
|---|---|
| NSN | 5340-01-181-9372 |
| Primary Part Number | HS4712-064 |
| Item Name | Retainer,nut and Bolt |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 2752-064 RET | Fdh Aero, Llc (USA) |
| HS4712-064 PRIMARY | The Boeing Company (USA) |
| 2752-064 RET | Esna, Llc (USA) |
| 2752-064 RET | Boeing Distribution Services Defense Llc (USA) |
| Reference | Meaning |
|---|---|
| HS4712 | D/9 Drawing number reference only The Boeing Company |
| HS4712-064 | 5/9 Secondary reference Mcdonnell Douglas Helicopter Co Inc |
| 2752-064 RET | 3/9 Design control — primary reference Harvard Industries Inc |
NSN 5340-01-181-9372 is a Retainer,nut and Bolt, manufactured by The Boeing Company, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-181-9372 has 4 manufacturer part numbers on file: 2752-064 RET (Fdh Aero, Llc), HS4712-064 (The Boeing Company), 2752-064 RET (Esna, Llc), 2752-064 RET (Boeing Distribution Services Defense Llc).
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.