The Retainer,nut and Bolt, cataloged under National Stock Number 5340-00-237-7497, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Ashcroft Inc Dba Heise. Government technical data includes 2 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-00-237-7497 |
| Primary Part Number | 8910B2-721PC12 |
| Item Name | Retainer,nut and Bolt |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Ashcroft Inc Dba Heise |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Reference Number Differentiating Characteristics | MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS. |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL F — Mutilate — Cut |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | Y |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 8910B2-721PC12 | Ashcroft Inc Dba Heise (USA) |
| 8930F2-721PC12 | Ashcroft Inc Dba Heise (USA) |
| Reference | Meaning |
|---|---|
| 8930F-2-721PC12 | 5/9 Secondary reference Dresser, Inc. Dba Dresser Equipment Group Div Industrial Valve Operations, Dresse |
| 8930F2-720 | 5/1 Secondary reference Ashcroft Inc Dba Heise |
| 8918A34A | 5/1 Secondary reference Ashcroft Inc Dba Heise |
| 8918A34A | 5/9 Secondary reference U.S. Government activity |
| 8930F2-720PC15 | 5/1 Secondary reference Ashcroft Inc Dba Heise |
| 89180B2-705PC15 | 3/1 Design control — primary reference Ashcroft Inc Dba Heise |
NSN 5340-00-237-7497 is a Retainer,nut and Bolt, manufactured by Ashcroft Inc Dba Heise, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-237-7497 has 2 manufacturer part numbers on file: 8910B2-721PC12 (Ashcroft Inc Dba Heise), 8930F2-721PC12 (Ashcroft Inc Dba Heise).
1 possible match (shared part number, not a government interchangeability claim): 4820-00-580-8554. Verify interchangeability with system specifications before substitution.
Key specifications for 8910B2-721PC12: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.. 2 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 5340-00-237-7497 has DEMIL Code F. Demilitarization may be required before disposal or transfer to non-military entities.
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.