The Bolt,machine, cataloged under National Stock Number 5306-01-281-8936, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is John Crane, Inc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Bolt,machine |
| FSC / FSG | 5306 — Bolts (FSG 53) |
| Manufacturers | John Crane, Inc (CAGE 71724); Defense Maritime Solutions, Inc. (CAGE 0EYA6) |
| Parameter | Value |
|---|---|
| NSN | 5306-01-281-8936 |
| Primary Part Number | H-45733 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | John Crane, Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| H-45733 PRIMARY | John Crane, Inc (USA) |
| US-70589-1 ITEM 36 | Defense Maritime Solutions, Inc. (USA) |
| Reference | Meaning |
|---|---|
| US-70589-1 ITEM 36 | 5/9 Secondary reference John Crane, Inc |
| US-70589-1 ITEM 36 | 5/9 Secondary reference Wartsila Lips Inc |
NSN 5306-01-281-8936 is a Bolt,machine, manufactured by John Crane, Inc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-281-8936 has 2 manufacturer part numbers on file: H-45733 (John Crane, Inc), US-70589-1 ITEM 36 (Defense Maritime Solutions, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5305-01-439-1886. Verify interchangeability with system specifications before substitution.
No hazard code in the DLA record (HMIC N). 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.