The Pin,grooved,headless, cataloged under National Stock Number 5315-00-923-5446, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Bae Systems Land & Armaments L.p.. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5315-00-923-5446 |
| Primary Part Number | 2122700-149 |
| Item Name | Pin,grooved,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Bae Systems Land & Armaments L.p. |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES OUTSIDE DIAMETER |
| Undercut Width | 0.060 INCHES MINIMUM AND 0.064 INCHES MAXIMUM IN |
| Undercut Diameter | 0.395 INCHES MINIMUM AND 0.396 INCHES MAXIMUM IN |
| First End Location | OPPOSITE GROOVED END |
| Surface Treatment Document and Classification | DOD-P-16232 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 | 0.5001 INCHES MINIMUM AND 0.5003 INCHES MAXIMUM IN |
| Second End Relationship with First End | NOT IDENTICAL |
| Effective Length | 1.750 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 |
|---|---|
| 2122700-149 | Bae Systems Land & Armaments L.p. (USA) |
| Reference | Meaning |
|---|---|
| PL2122700-149 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 2122700-149 | 3/9 Design control — primary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| 2122702-149 | 5/9 Secondary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| 2122702-6 | 5/9 Secondary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
NSN 5315-00-923-5446 is a Pin,grooved,headless, manufactured by Bae Systems Land & Armaments L.p., classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-00-923-5446 has 1 manufacturer part number on file: 2122700-149 (Bae Systems Land & Armaments L.p.).
2 possible matches (shared part number, not a government interchangeability claim): 5315-01-505-7212, 5315-01-516-9795. Verify interchangeability with system specifications before substitution.
Key specifications for 2122700-149: Surface Finish: 32.0 MICROINCHES OUTSIDE DIAMETER; Undercut Width: 0.060 INCHES MINIMUM AND 0.064 INCHES MAXIMUM IN; Undercut Diameter: 0.395 INCHES MINIMUM AND 0.396 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.