The Bolt,machine, cataloged under National Stock Number 5306-01-407-3473, 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 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-407-3473 |
| Primary Part Number | 12448438-16 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Extended Washer Thickness | 0.080 INCHES MINIMUM IN |
| Head Height | 0.510 INCHES MAXIMUM IN |
| Fastener Length | 2.500 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | SPEC. G-4435-M CODE A, CAGE34623 MFR REF 1ST TREATMENT RESPONSE OR SPEC. G-4435-M CODE A, CAGE34623 MFR REF 2ND TREATMENT RESPONSE OVERALL |
| Extended Washer Diameter | 1.070 INCHES MAXIMUM IN |
| Thread Length | 1.250 INCHES NOMINAL IN |
| Material Document and Classification | SAE J429 GR B ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Head Style | HEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| Color | BLACK OVERALL |
| Surface Treatment | PHOSPHATE OR OIL OVERALL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 13 |
| 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 |
|---|---|
| 12448438-16 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| RCSK14723-16 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| RCSK14723-16 | Am General Llc (USA) |
NSN 5306-01-407-3473 is a Bolt,machine, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-407-3473 has 3 manufacturer part numbers on file: 12448438-16 (U S Army Tank Automotive Command Amsta-Im-Mm), RCSK14723-16 (U S Army Tank Automotive Command Amsta-Im-Mm), RCSK14723-16 (Am General Llc).
Key specifications for 12448438-16: Extended Washer Thickness: 0.080 INCHES MINIMUM IN; Head Height: 0.510 INCHES MAXIMUM IN; Fastener Length: 2.500 INCHES NOMINAL IN; Surface Treatment Document and Classification: SPEC. G-4435-M CODE A, CAGE34623 MFR REF 1ST TREATMENT RESPONSE OR SPEC. G-4435-M CODE A, CAGE34623 MFR REF 2ND TREATMENT RESPONSE OVERALL. 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.