The Pin,shoulder,headless, cataloged under National Stock Number 5315-00-078-2738, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Army, United States Department of the Dba Rock Island Arsenal Jmtc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-00-078-2738 |
| Primary Part Number | 8436978 |
| Item Name | Pin,shoulder,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Army, United States Department of the Dba Rock Island Arsenal Jmtc |
| Status | ACTIVE |
| Shank Diameter | 0.360 INCHES MINIMUM AND 0.361 INCHES MAXIMUM IN |
| First End Taper Length | 0.030 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN |
| First End Location | BOTH ENDS |
| Hole Arrangement Style | ONE END DRILLED |
| First End Style | CHAMFERED |
| First Hole Diameter | 0.135 INCHES MINIMUM AND 0.139 INCHES MAXIMUM IN |
| Hardness Rating | 26.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL |
| Shank Length | 4.970 INCHES MINIMUM AND 5.030 INCHES MAXIMUM IN |
| Style Designator | SHOULDER |
| Material Document and Classification | ASTM A322 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A331 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| First End Taper Angle | 43.0 DEGREES MINIMUM AND 47.0 DEGREES MAXIMUM |
| Second End Relationship with First End | IDENTICAL |
| Shoulder Diameter | 0.495 INCHES MINIMUM AND 0.496 INCHES MAXIMUM IN |
| Surface Treatment | PHOSPHATE MANGANESE OR ZINC OVERALL |
| Material | STEEL COMP 4140 OVERALL |
| Distance From Centerline of Hole to End of Pin | 0.250 INCHES MINIMUM AND 0.310 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 |
|---|---|
| 8436978 PRIMARY | Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA) |
| Reference | Meaning |
|---|---|
| 5315000782738 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 5315-00-078-2738 is a Pin,shoulder,headless, manufactured by Army, United States Department of the Dba Rock Island Arsenal Jmtc, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-00-078-2738 has 1 manufacturer part number on file: 8436978 (Army, United States Department of the Dba Rock Island Arsenal Jmtc).
1 possible match (shared part number, not a government interchangeability claim): 5895-01-657-2997. Verify interchangeability with system specifications before substitution.
Key specifications for 8436978: Shank Diameter: 0.360 INCHES MINIMUM AND 0.361 INCHES MAXIMUM IN; First End Taper Length: 0.030 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN; First End Location: BOTH ENDS; Hole Arrangement Style: ONE END DRILLED. 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.