The Pin,shoulder,headless, cataloged under National Stock Number 5315-01-081-2977, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Support Services Corp. Government technical data includes 23 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-01-081-2977 |
| Primary Part Number | 125C601H01 |
| Item Name | Pin,shoulder,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Northrop Grumman Support Services Corp |
| Status | ACTIVE |
| Shank Diameter | 0.3725 INCHES MINIMUM AND 0.3730 INCHES MAXIMUM IN |
| Second Shank Diameter | 0.373 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| Undercut Width | 0.094 INCHES NOMINAL IN |
| First End Taper Length | 0.336 INCHES NOMINAL IN |
| Undercut Diameter | 0.334 INCHES NOMINAL IN |
| First End Location | UNTHREADED END |
| Surface Treatment Document and Classification | 122C499 PAR. J,FSCM 97942 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.390 INCHES MINIMUM AND 0.450 INCHES MAXIMUM IN |
| First End Style | CHAMFERED |
| Shank Length | 1.086 INCHES NOMINAL IN |
| Style Designator | UNDERCUT |
| Material Document and Classification | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| First End Taper Angle | 25.0 DEGREES NOMINAL |
| Second End Relationship with First End | NOT IDENTICAL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.375 INCHES IN |
| Second Shank Length | 0.500 INCHES NOMINAL IN |
| Shoulder Width Across Flats | 0.625 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Second End Style | CHAMFERED |
| Thread Class | 2A A |
| Material | STEEL COMP 303 OVERALL |
| Thread Series Designator | UNF |
| 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 |
|---|---|
| 125C601H01 PRIMARY | Northrop Grumman Support Services Corp (USA) |
| Reference | Meaning |
|---|---|
| 125C601H01 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5315-01-081-2977 is a Pin,shoulder,headless, manufactured by Northrop Grumman Support Services Corp, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-081-2977 has 1 manufacturer part number on file: 125C601H01 (Northrop Grumman Support Services Corp).
Key specifications for 125C601H01: Shank Diameter: 0.3725 INCHES MINIMUM AND 0.3730 INCHES MAXIMUM IN; Second Shank Diameter: 0.373 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN; Undercut Width: 0.094 INCHES NOMINAL IN; First End Taper Length: 0.336 INCHES NOMINAL IN. 23 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.