The Pin,grooved,headless, cataloged under National Stock Number 5315-00-221-9268, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 17 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-00-221-9268 |
| Primary Part Number | 10191721-3 |
| Item Name | Pin,grooved,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES OVERALL |
| Undercut Width | 0.029 INCHES MINIMUM AND 0.032 INCHES MAXIMUM IN |
| First End Taper Length | 0.005 INCHES MINIMUM AND 0.020 INCHES MAXIMUM IN |
| Undercut Diameter | 0.208 INCHES MINIMUM AND 0.212 INCHES MAXIMUM IN |
| First End Location | BOTH ENDS |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| First End Style | CHAMFERED |
| Hardness Rating | 53.0 ROCKWELL C MINIMUM AND 57.0 ROCKWELL C MAXIMUM OVERALL |
| Style Designator | GROOVE |
| Material Document and Classification | QQ-S-763,CLASS 440C,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Diameter | 0.279 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN |
| First End Taper Angle | 45.0 DEGREES NOMINAL |
| Second End Relationship with First End | IDENTICAL |
| Effective Length | 2.092 INCHES MINIMUM AND 2.097 INCHES MAXIMUM IN |
| Second Undercut Width | 0.029 INCHES MINIMUM AND 0.032 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL COMP 440C 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 |
|---|---|
| 10191721-3 PRIMARY | Us Army Aviation and Missile Command (USA) |
| Reference | Meaning |
|---|---|
| 5315002219268 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 5315002219268 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
| 10056407 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5315-00-221-9268 is a Pin,grooved,headless, manufactured by Us Army Aviation and Missile Command, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-00-221-9268 has 1 manufacturer part number on file: 10191721-3 (Us Army Aviation and Missile Command).
Key specifications for 10191721-3: Surface Finish: 32.0 MICROINCHES OVERALL; Undercut Width: 0.029 INCHES MINIMUM AND 0.032 INCHES MAXIMUM IN; First End Taper Length: 0.005 INCHES MINIMUM AND 0.020 INCHES MAXIMUM IN; Undercut Diameter: 0.208 INCHES MINIMUM AND 0.212 INCHES MAXIMUM IN. 17 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.