The Pin,spring, cataloged under National Stock Number 5315-00-051-8636, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Fnh Uk Ltd. Government technical data includes 9 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5315-00-051-8636 |
| Primary Part Number | A20504 |
| Item Name | Pin,spring |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Fnh Uk Ltd |
| Status | CANCELLED |
| Surface Treatment Document and Classification | DOD-P-16232,CL2 NATIONAL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Hardness Rating | 46.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL |
| Style Designator | SLOTTED |
| Material Document and Classification | 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| Diameter | 0.099 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN |
| Material Thickness | 0.022 INCHES MINIMUM IN |
| Surface Treatment | PHOSPHATE ZINC OVERALL |
| Shear Strength | 1000 DOUBLE POUND |
| Material | STEEL COMP 1070 OR STEEL COMP 1074 OR STEEL COMP 1080 OR STEEL COMP 1086 OR STEEL COMP 1095 OVERALL |
| Acquisition Status | CANCELLED |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| A20504 | Fnh Uk Ltd (GBR) |
| Reference | Meaning |
|---|---|
| 53-022-094-0562 | 5/9 Secondary reference Harvard Industries Inc |
| MS16562-120 | 5/9 Secondary reference U.S. Government activity |
| 717124434805 | 6/9 Informative reference only Ncb Hungary (honvedsegi Egyseges Termekkod) |
| MS16562-120 | 3/2 Design control — primary reference U.S. Government activity |
| 5315000518636 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 5315PL0919524 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5315-00-051-8636 is a Pin,spring, manufactured by Fnh Uk Ltd, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: cancelled.
NSN 5315-00-051-8636 has 1 manufacturer part number on file: A20504 (Fnh Uk Ltd).
2 possible matches (shared part number, not a government interchangeability claim): 4710-00-570-9498, 5305-01-671-4121. Verify interchangeability with system specifications before substitution.
Key specifications for A20504: Surface Treatment Document and Classification: DOD-P-16232,CL2 NATIONAL SPEC SINGLE TREATMENT RESPONSE OVERALL; Hardness Rating: 46.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL; Style Designator: SLOTTED; Material Document and Classification: 66 FED STD ALL MATERIAL RESPONSES OVERALL. 9 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.
NSN 5315-00-051-8636 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.
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.