The Pin,grooved,headless, cataloged under National Stock Number 5315-00-740-9379, 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 18 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 5315-00-740-9379 |
| Primary Part Number | 7979330 |
| Item Name | Pin,grooved,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Undercut Width | 0.156 INCHES NOMINAL IN |
| First End Taper Length | 0.031 INCHES NOMINAL IN |
| Undercut Diameter | 0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN |
| First End Location | BOTH ENDS |
| Hole Arrangement Style | BOTH END DRILLED |
| First End Style | CHAMFERED |
| First Hole Diameter | 0.123 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN |
| Style Designator | GROOVE |
| Diameter | 0.4355 INCHES MINIMUM AND 0.4395 INCHES MAXIMUM IN |
| First End Taper Angle | 44.0 DEGREES MINIMUM AND 46.0 DEGREES MAXIMUM |
| Second End Relationship with First End | IDENTICAL |
| Effective Length | 1.438 INCHES NOMINAL IN |
| Second Hole Diameter | 0.123 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN |
| Second Undercut Width | 0.156 INCHES NOMINAL IN |
| Center to Center Distance Between Holes | 0.859 INCHES MINIMUM AND 0.891 INCHES MAXIMUM IN |
| Undercut Radius | 0.109 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN |
| Material | STEEL OVERALL |
| Distance From Centerline of Hole to End of Pin | 0.797 INCHES MINIMUM AND 0.828 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 |
|---|---|
| 7-12-26 | Trailmobile Inc Sub of the Pullman Co (USA) |
| 7979330 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 1746H8Z | Meritor Heavy Vehicle Systems, Llc (USA) |
| Reference | Meaning |
|---|---|
| FC14774 | 5/9 Secondary reference Federal Mogul Corp Sub Wagner Brake Moog Automotive Div |
| 7409379 | 5/9 Secondary reference U S Army Tank Automotive Command Amsta-Im-Mm |
| 7-12-26 | 5/9 Secondary reference U.S. Government activity |
| 1746H8 | 5/9 Secondary reference Meritor Heavy Vehicle Systems, Llc |
| KC5162 | 5/9 Secondary reference Diamond Reo Truck Co |
| 5315007409379 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
NSN 5315-00-740-9379 is a Pin,grooved,headless, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-00-740-9379 has 3 manufacturer part numbers on file: 7-12-26 (Trailmobile Inc Sub of the Pullman Co), 7979330 (U S Army Tank Automotive Command Amsta-Im-Mm), 1746H8Z (Meritor Heavy Vehicle Systems, Llc).
4 possible matches (shared part number, not a government interchangeability claim): 6105-00-881-2268, 4935-01-229-3184, 4810-01-497-2422. Verify interchangeability with system specifications before substitution.
Key specifications for 7979330: Undercut Width: 0.156 INCHES NOMINAL IN; First End Taper Length: 0.031 INCHES NOMINAL IN; Undercut Diameter: 0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN; First End Location: BOTH ENDS. 18 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.