The Pin,grooved,headless, cataloged under National Stock Number 5315-00-923-5449, 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 15 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5315-00-923-5449 |
| Primary Part Number | 2122700-176 |
| Item Name | Pin,grooved,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES OUTSIDE DIAMETER |
| Undercut Width | 0.066 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN |
| Undercut Diameter | 0.508 INCHES MINIMUM AND 0.509 INCHES MAXIMUM IN |
| First End Location | OPPOSITE GROOVED END |
| Surface Treatment Document and Classification | DOD-P-15232 TY M. CLASS 1 NATIONAL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| First End Style | SQUARE W/THRU HOLE |
| Hardness Rating | 30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL |
| Style Designator | GROOVE |
| Material Document and Classification | SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Diameter | 0.6251 INCHES MINIMUM AND 0.6253 INCHES MAXIMUM IN |
| Second End Relationship with First End | NOT IDENTICAL |
| Effective Length | 1.000 INCHES NOMINAL IN |
| Surface Treatment | PHOSPHATE MANGANESE OVERALL |
| Second End Style | SQUARE INTERNALLY THREADED |
| Material | STEEL COMP 4140 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 |
|---|---|
| 2122700-176 PRIMARY | Naval Sea Systems Command (USA) |
| 2122702-176 | Naval Sea Systems Command (USA) |
| 2122700-176 | Bae Systems Land & Armaments L.p. (USA) |
| 2122704-7 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| PL2122700-17 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 2122700-176 | 5/9 Secondary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| 2122702-176 | 5/9 Secondary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
NSN 5315-00-923-5449 is a Pin,grooved,headless, manufactured by Naval Sea Systems Command, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-00-923-5449 has 4 manufacturer part numbers on file: 2122700-176 (Naval Sea Systems Command), 2122702-176 (Naval Sea Systems Command), 2122700-176 (Bae Systems Land & Armaments L.p.), 2122704-7 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 5365-01-195-9708. Verify interchangeability with system specifications before substitution.
Key specifications for 2122700-176: Surface Finish: 32.0 MICROINCHES OUTSIDE DIAMETER; Undercut Width: 0.066 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN; Undercut Diameter: 0.508 INCHES MINIMUM AND 0.509 INCHES MAXIMUM IN; First End Location: OPPOSITE GROOVED END. 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.