The Pin,grooved,headless, cataloged under National Stock Number 5315-00-021-4128, 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 20 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5315-00-021-4128 |
| Primary Part Number | 134C248G01 |
| Item Name | Pin,grooved,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Northrop Grumman Support Services Corp |
| Status | ACTIVE |
| Undercut Width | 0.186 INCHES NOMINAL IN |
| First End Taper Length | 0.060 INCHES NOMINAL IN |
| Undercut Diameter | 0.324 INCHES MINIMUM AND 0.329 INCHES MAXIMUM IN |
| First End Location | BOTH ENDS |
| Surface Treatment Document and Classification | MIL-F-14072,E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Hole Arrangement Style | ONE END DRILLED |
| First End Style | CHAMFERED |
| First Hole Diameter | 0.187 INCHES MINIMUM AND 0.192 INCHES MAXIMUM IN |
| Style Designator | GROOVE |
| Material Document and Classification | QQ-S-764,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Diameter | 0.448 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN |
| First End Taper Angle | 45.0 DEGREES NOMINAL |
| Second End Relationship with First End | IDENTICAL |
| Effective Length | 7.924 INCHES MINIMUM AND 7.954 INCHES MAXIMUM IN |
| Second Undercut Width | 0.186 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Second End Style | SQUARE |
| Undercut Radius | 0.093 INCHES NOMINAL IN |
| Material | STEEL COMP 303 OVERALL |
| Distance From Centerline of Hole to End of Pin | 0.175 INCHES MINIMUM AND 0.205 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 |
|---|---|
| 134C248G01 PRIMARY | Northrop Grumman Support Services Corp (USA) |
| Reference | Meaning |
|---|---|
| 134C248G01 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5315-00-021-4128 is a Pin,grooved,headless, manufactured by Northrop Grumman Support Services Corp, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-00-021-4128 has 1 manufacturer part number on file: 134C248G01 (Northrop Grumman Support Services Corp).
Key specifications for 134C248G01: Undercut Width: 0.186 INCHES NOMINAL IN; First End Taper Length: 0.060 INCHES NOMINAL IN; Undercut Diameter: 0.324 INCHES MINIMUM AND 0.329 INCHES MAXIMUM IN; First End Location: BOTH ENDS. 20 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.