The Pin,straight,headless, cataloged under National Stock Number 5315-01-491-7409, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Sae International Dba Sae International. Government technical data includes 2 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 5315-01-491-7409 |
| Primary Part Number | MS20253-2-2015 |
| Item Name | Pin,straight,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Pin Overall Diameter | 0.051 INCHES MINIMUM AND 0.053 INCHES MAXIMUM IN |
| Pin Overall Length | 20.000 INCHES MINIMUM AND 20.300 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 |
|---|---|
| MS20253-2-2015 PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| SAE-AS20253 | 3/1 Design control — primary reference Sae International Dba Sae International |
| MS20253 | 5/9 Secondary reference U.S. Government activity |
| SAE-AS20253 | 5/9 Secondary reference U.S. Government activity |
| AS20253-2-2015 | 5/1 Secondary reference General Electric Co Advanced Technology Programs Dept |
| AN253-2-2015 | 5/9 Secondary reference General Electric Co Advanced Technology Programs Dept |
NSN 5315-01-491-7409 is a Pin,straight,headless, manufactured by Sae International Dba Sae International, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-491-7409 has 1 manufacturer part number on file: MS20253-2-2015 (Sae International Dba Sae International).
3 possible matches (shared part number, not a government interchangeability claim): 5340-01-499-7693, 5315-01-669-3084, 5310-01-669-3121. Verify interchangeability with system specifications before substitution.
Key specifications for MS20253-2-2015: Pin Overall Diameter: 0.051 INCHES MINIMUM AND 0.053 INCHES MAXIMUM IN; Pin Overall Length: 20.000 INCHES MINIMUM AND 20.300 INCHES MAXIMUM IN; Special Features: MATT: STEEL CORROSION RESISTING OVERALL;MATERIAL DOCUMENT AND CLASSIFICATION: QQ-W-423,FORM 1 FED SPEC SINGLE MATERIAL RESPONSE OVERALL;SURFACE TREATMENT: PASSIVATE OVERALL;SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL;CHAMFER LENGTH: 0.015 IN. NOM.;CHAMFER ANGLE: 45.0 DEG. NOM. IN; Part Name Assigned by Controlling Agency: PIN,HINGE. 2 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.