The Pin,grooved,headless, cataloged under National Stock Number 5315-01-131-5992, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Groov-Pin Corp. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-01-131-5992 |
| Primary Part Number | H-5478753 PIECE 174 |
| Item Name | Pin,grooved,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Groov-Pin Corp |
| Status | ACTIVE |
| First End Location | BOTH ENDS |
| Special Test Features | SPECIAL QUALITY CONTROL TESTING |
| First End Style | OVAL |
| Hardness Rating | 45.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL |
| Criticality Code Justification | ZZZY |
| Style Designator | FULL LENGTH GROOVE |
| Pin Large End Diameter | 0.198 INCHES NOMINAL IN |
| Second End Relationship with First End | IDENTICAL |
| Pin Small End Diameter | 0.188 INCHES NOMINAL IN |
| Departure From Cited Document | AS MODIFIED BY MATERIAL AND LOCKING FEATURE |
| Test Data Document | 81349-MIL-P-23199 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| Material | STEEL COMP 303 OVERALL |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY MATERIAL WHICH MUST CONFORM TO SHIPS PARTS CONTROL CENTER SPECIAL QUALITY CONTROL PROVISIONS AND CERTIFIED FREE FROM MERCURY CONTAMINATION |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| H-5478753 PIECE 174 | Groov-Pin Corp (USA) |
| P011315992 | Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA) |
| Reference | Meaning |
|---|---|
| GP 1-187X0875-50 | 3/1 Design control — primary reference Groov-Pin Corp |
NSN 5315-01-131-5992 is a Pin,grooved,headless, manufactured by Groov-Pin Corp, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-131-5992 has 2 manufacturer part numbers on file: H-5478753 PIECE 174 (Groov-Pin Corp), P011315992 (Defense Logistics Agency Dba Defense Supply Center Philadelphia).
Key specifications for H-5478753 PIECE 174: First End Location: BOTH ENDS; Special Test Features: SPECIAL QUALITY CONTROL TESTING; First End Style: OVAL; Hardness Rating: 45.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL. 13 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.