The Bolt,machine, cataloged under National Stock Number 5306-00-538-4346, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. 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 | 5306-00-538-4346 |
| Primary Part Number | 5384346 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Head Height | 0.562 INCHES MINIMUM AND 0.582 INCHES MAXIMUM IN |
| Fastener Length | 6.969 INCHES MINIMUM AND 7.031 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TY 1,CL 1 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 1,CL 2 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| Thread Length | 2.734 INCHES MINIMUM AND 2.766 INCHES MAXIMUM IN |
| Hardness Rating | 28.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | 66 FED STD 1ST MATERIAL RESPONSE OR AISI/SAE ASSN STD 1ST MATERIAL RESPONSE OR 66 FED STD 2ND MATERIAL RESPONSE OR AISI/SAE ASSN STD 2ND MATERIAL RESPONSE OR 66 FED STD 3RD MATERIAL RESPONSE OR AISI/SAE ASSN STD 3RD MATERIAL RESPONSE OR QQ-S-624,FS 9940 FED SPEC 4TH MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 1.000 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | UNDERCUT HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 1.269 INCHES MINIMUM AND 1.312 INCHES MAXIMUM IN |
| Locking Feature | DISTORTIONS BEARING SURFACE OF HEAD |
| Surface Treatment | CADMIUM OR ZINC OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 14 |
| Material | STEEL COMP 5145 OR STEEL COMP 8640 OR STEEL COMP 8740 OR STEEL OVERALL |
| Thread Series Designator | UNS |
| 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 |
|---|---|
| 5384346 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 5306-00-538-4346 is a Bolt,machine, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-538-4346 has 1 manufacturer part number on file: 5384346 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 5384346: Head Height: 0.562 INCHES MINIMUM AND 0.582 INCHES MAXIMUM IN; Fastener Length: 6.969 INCHES MINIMUM AND 7.031 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416,TY 1,CL 1 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 1,CL 2 FED SPEC 2ND TREATMENT RESPONSE OVERALL; Thread Length: 2.734 INCHES MINIMUM AND 2.766 INCHES MAXIMUM IN. 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.