The Pin,straight,headless, cataloged under National Stock Number 5315-01-121-5661, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems. Government technical data includes 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-01-121-5661 |
| Primary Part Number | 196B7638-3 |
| Item Name | Pin,straight,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES OUTSIDE DIAMETER |
| First End Taper Length | 0.030 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Hole Arrangement Style | ONE END DRILLED |
| First End Style | CHAMFERED |
| First Hole Diameter | 0.061 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| First End Taper Angle | 45.0 DEGREES NOMINAL |
| Pin Overall Diameter | 0.2495 INCHES MINIMUM AND 0.2505 INCHES MAXIMUM IN |
| Pin Overall Length | 3.570 INCHES MINIMUM AND 3.610 INCHES MAXIMUM IN |
| Second End Relationship with First End | NOT IDENTICAL |
| Surface Treatment | PASSIVATE OVERALL |
| Second End Style | SQUARE |
| Material | STEEL COMP 304 OVERALL |
| Distance From Centerline of Hole to End of Pin | 2.030 INCHES MINIMUM AND 2.050 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 |
|---|---|
| 196B7638-3 PRIMARY | General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems (USA) |
| Reference | Meaning |
|---|---|
| 10122934 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5315-01-121-5661 is a Pin,straight,headless, manufactured by General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-121-5661 has 1 manufacturer part number on file: 196B7638-3 (General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems).
Key specifications for 196B7638-3: Surface Finish: 63.0 MICROINCHES OUTSIDE DIAMETER; First End Taper Length: 0.030 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Hole Arrangement Style: ONE END DRILLED. 15 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.