The Bolt,machine, cataloged under National Stock Number 5306-01-655-5945, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Hi-Shear Corporation. Government technical data includes 17 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-655-5945 |
| Primary Part Number | HLM213AP-05-21 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Head Height | 2.10 MILLIMETERS MINIMUM AND 2.16 MILLIMETERS MAXIMUM MM |
| Fastener Length | 30.4 MILLIMETERS NOMINAL MM |
| Surface Treatment Document and Classification | 73197-HI-SHEAR SPEC 294 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Thread Pitch in Millimeters | 0.8 |
| Thread Length | 9.4 MILLIMETERS NOMINAL MM |
| Material Document and Classification | 73197-HI-LOK SPEC -342 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 4.87 MILLIMETERS MM |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Grip Length | 21.0 MILLIMETERS NOMINAL MM |
| Surface Treatment | ALUMINUM OVERALL |
| Chamfer Angle | 37.0 DEGREES NOMINAL |
| Countersink Angle | 140.0 DEGREES NOMINAL |
| Thread Class | 4H |
| Material | TITANIUM ALLOY OVERALL |
| Thread Series Designator | M |
| Head Diameter | 10.79 MILLIMETERS MINIMUM AND 10.93 MILLIMETERS MAXIMUM MM |
| 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 |
|---|---|
| HLM213AP-05-21 PRIMARY | Hi-Shear Corporation (USA) |
NSN 5306-01-655-5945 is a Bolt,machine, manufactured by Hi-Shear Corporation, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-655-5945 has 1 manufacturer part number on file: HLM213AP-05-21 (Hi-Shear Corporation).
Key specifications for HLM213AP-05-21: Head Height: 2.10 MILLIMETERS MINIMUM AND 2.16 MILLIMETERS MAXIMUM MM; Fastener Length: 30.4 MILLIMETERS NOMINAL MM; Surface Treatment Document and Classification: 73197-HI-SHEAR SPEC 294 MFR REF SINGLE TREATMENT RESPONSE OVERALL; Thread Pitch in Millimeters: 0.8. 17 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.