The Bolt,hook, cataloged under National Stock Number 5306-00-712-9335, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Komatsu America Corp.. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-712-9335 |
| Primary Part Number | 127821H1 |
| Item Name | Bolt,hook |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Komatsu America Corp. |
| Status | ACTIVE |
| Distance From Inside of Bend to Shank End | 2.625 INCHES NOMINAL IN |
| Thread Length | 1.875 INCHES MINIMUM IN |
| Hook Inside Width | 0.312 INCHES NOMINAL IN |
| Style Designator | RIGHT ANGLE BEND |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 127821H1 | Komatsu America Corp. (USA) |
| Reference | Meaning |
|---|---|
| 127821H1 | 3/9 Design control — primary reference Komatsu American Intl Co |
| 127821 | 5/9 Secondary reference Komatsu American Intl Co |
NSN 5306-00-712-9335 is a Bolt,hook, manufactured by Komatsu America Corp., classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-712-9335 has 1 manufacturer part number on file: 127821H1 (Komatsu America Corp.).
2 possible matches (shared part number, not a government interchangeability claim): 5985-01-123-6543, 4720-01-516-9500. Verify interchangeability with system specifications before substitution.
Key specifications for 127821H1: Distance From Inside of Bend to Shank End: 2.625 INCHES NOMINAL IN; Thread Length: 1.875 INCHES MINIMUM IN; Hook Inside Width: 0.312 INCHES NOMINAL IN; Style Designator: RIGHT ANGLE BEND. 10 specifications are 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.
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.