The Pin,straight,headless, cataloged under National Stock Number 5315-01-643-5045, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 16 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 | 5315-01-643-5045 |
| Primary Part Number | 12578101 |
| Item Name | Pin,straight,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| First End Taper Length | 0.030 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | ASTM B841, CLASS 1, TYPE B, GRADE 8 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Hole Arrangement Style | BOTH END DRILLED |
| First End Style | CHAMFERED W/THRU HOLE |
| First Hole Diameter | 0.131 INCHES MINIMUM AND 0.151 INCHES MAXIMUM IN |
| Hardness Rating | 38.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | ASTM A322 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| First End Taper Angle | 40.0 DEGREES MINIMUM AND 50.0 DEGREES MAXIMUM |
| Pin Overall Diameter | 0.745 INCHES MINIMUM AND 0.747 INCHES MAXIMUM IN |
| Pin Overall Length | 5.767 INCHES MINIMUM AND 5.827 INCHES MAXIMUM IN |
| Second End Relationship with First End | IDENTICAL |
| Second Hole Diameter | 0.131 INCHES MINIMUM AND 0.151 INCHES MAXIMUM IN |
| Center to Center Distance Between Holes | 5.266 INCHES MINIMUM AND 5.296 INCHES MAXIMUM IN |
| Surface Treatment | ZINC ALLOY OVERALL |
| Material | STEEL COMP 4130 OR STEEL COMP 4135 OR STEEL COMP 4137 OR STEEL COMP 4140 OR STEEL COMP 4142 OR STEEL COMP 4145 OVERALL |
| Distance From Centerline of Hole to End of Pin | 0.243 INCHES MINIMUM AND 0.273 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 12578101 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 5315-01-643-5045 is a Pin,straight,headless, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-643-5045 has 1 manufacturer part number on file: 12578101 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12578101: First End Taper Length: 0.030 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN; Surface Treatment Document and Classification: ASTM B841, CLASS 1, TYPE B, GRADE 8 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Hole Arrangement Style: BOTH END DRILLED; First End Style: CHAMFERED W/THRU HOLE. 16 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.