The Pin,spring, cataloged under National Stock Number 5315-00-619-3998, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Spirol International Corporation. Government technical data includes 6 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5315-00-619-3998 |
| Primary Part Number | 047-0187MCP |
| Item Name | Pin,spring |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Spirol International Corporation |
| Status | CANCELLED |
| Expanded Diameter | 0.049 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN |
| Hardness Rating | 46.0 ROCKWELL C MINIMUM AND 55.0 ROCKWELL C MAXIMUM OVERALL |
| Style Designator | COILED |
| Diameter | 0.047 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL CORROSION RESISTING 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 |
|---|---|
| 047-0187MCP | Spirol International Corporation (USA) |
| Reference | Meaning |
|---|---|
| 031-0188MDP | C/1 Advisory reference — outside the item-of-supply concept Greene Ray and Co Inc |
| 5315006193998 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
| 950077-102 | C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
| MS51923-185 | 3/2 Design control — primary reference U.S. Government activity |
| MS51923-185 | 5/9 Secondary reference U.S. Government activity |
| 874725-654 | C/1 Advisory reference — outside the item-of-supply concept Honeywell International Inc. Dba Honeywell International |
NSN 5315-00-619-3998 is a Pin,spring, manufactured by Spirol International Corporation, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: cancelled.
NSN 5315-00-619-3998 has 1 manufacturer part number on file: 047-0187MCP (Spirol International Corporation).
1 possible match (shared part number, not a government interchangeability claim): 5315-01-436-6255. Verify interchangeability with system specifications before substitution.
Key specifications for 047-0187MCP: Expanded Diameter: 0.049 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN; Hardness Rating: 46.0 ROCKWELL C MINIMUM AND 55.0 ROCKWELL C MAXIMUM OVERALL; Style Designator: COILED; Diameter: 0.047 INCHES NOMINAL IN. 6 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 5315-00-619-3998 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.