The Pin,straight,headless, cataloged under National Stock Number 5315-00-010-3768, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Mack Trucks Inc Parts Opn. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 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 | 5315-00-010-3768 |
| Primary Part Number | 31AX43 |
| Item Name | Pin,straight,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Mack Trucks Inc Parts Opn |
| Status | ACTIVE |
| First End Taper Length | 0.031 INCHES NOMINAL IN |
| First End Style | CHAMFERED |
| Material Document and Classification | ASTM A576 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A108 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| First End Taper Angle | 25.0 DEGREES NOMINAL |
| Pin Overall Diameter | 0.3720 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN |
| Pin Overall Length | 0.863 INCHES MINIMUM AND 0.887 INCHES MAXIMUM IN |
| Second End Relationship with First End | IDENTICAL |
| Material | STEEL COMP 1010 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OR STEEL COMP 1021 OR STEEL COMP 1022 OR STEEL COMP 1025 OR STEEL COMP 1027 OR STEEL COMP 1030 OR STEEL COMP 1524 OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5315-00-010-3768 is a Pin,straight,headless, manufactured by Mack Trucks Inc Parts Opn, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-00-010-3768 has 2 manufacturer part numbers on file: 31AX43 (Mack Trucks Inc Parts Opn), 103768 (Army Weapons Command Attn Amswe-Ree-S).
3 possible matches (shared part number, not a government interchangeability claim): 5360-00-624-8042, 5840-01-111-8214, 9150-01-707-1903. Verify interchangeability with system specifications before substitution.
Key specifications for 31AX43: First End Taper Length: 0.031 INCHES NOMINAL IN; First End Style: CHAMFERED; Material Document and Classification: ASTM A576 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A108 ASSN STD 2ND MATERIAL RESPONSE OVERALL; First End Taper Angle: 25.0 DEGREES NOMINAL. 8 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.