The Pin,grooved,headed, cataloged under National Stock Number 5315-01-482-3979, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5315-01-482-3979 |
| Primary Part Number | 122-5277661 ITEM 27 |
| Item Name | Pin,grooved,headed |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| First End Taper Length | 0.060 INCHES NOMINAL IN |
| Under Head Length | 2.680 INCHES NOMINAL IN |
| First End Style | CHAMFERED |
| Style Designator | GROOVE |
| Pin Head Diameter | 1.500 INCHES NOMINAL IN |
| Material Document and Classification | QQ-S-763, COND B FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Diameter | 0.996 INCHES NOMINAL IN |
| First End Taper Angle | 45.0 DEGREES NOMINAL |
| Head Style | FLAT CHAMFER |
| Grip Length | 1.000 INCHES NOMINAL IN |
| Height | 0.375 INCHES NOMINAL IN |
| Undercut Radius | 0.060 INCHES NOMINAL IN |
| Material | STEEL COMP 316 OVERALL |
| 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 |
|---|---|
| 122-5277621 DETAIL 20-E | Naval Sea Systems Command (USA) |
| 122-5277661 ITEM 27 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 122-5277661 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 5315-01-482-3979 is a Pin,grooved,headed, manufactured by Naval Sea Systems Command, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-482-3979 has 2 manufacturer part numbers on file: 122-5277621 DETAIL 20-E (Naval Sea Systems Command), 122-5277661 ITEM 27 (Naval Sea Systems Command).
2 possible matches (shared part number, not a government interchangeability claim): 5315-01-482-3988, 3120-01-486-0168. Verify interchangeability with system specifications before substitution.
Key specifications for 122-5277661 ITEM 27: First End Taper Length: 0.060 INCHES NOMINAL IN; Under Head Length: 2.680 INCHES NOMINAL IN; First End Style: CHAMFERED; Style Designator: GROOVE. 13 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.