The Pin,lock, cataloged under National Stock Number 5315-01-668-4429, 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 Systems Corporation. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-01-668-4429 |
| Primary Part Number | 175857-1 |
| Item Name | Pin,lock |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 175857-1 | United Dynamics, Inc (USA) |
| 175857-1 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| 173964-1 PRIMARY | Eagle-Picher Industries Inc Fabricon Products Div (USA) |
| 173964-1 PRIMARY | Ontic Engineering & Manufacturing, Inc Dba Ontic Us (USA) |
| 175857-1 | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 175857-1 | 5/9 Secondary reference Mic Group, Llc Dba Mic Group |
| 173964-1 | 5/9 Secondary reference Goodrich Corporation Div Advanced Structures Landing Systems |
| 175857-1 | 5/2 Secondary reference U.S. Government activity |
NSN 5315-01-668-4429 is a Pin,lock, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-668-4429 has 5 manufacturer part numbers on file: 175857-1 (United Dynamics, Inc), 175857-1 (Northrop Grumman Systems Corporation), 173964-1 (Eagle-Picher Industries Inc Fabricon Products Div), 173964-1 (Ontic Engineering & Manufacturing, Inc Dba Ontic Us), 175857-1 (Northrop Grumman Systems Corporation).
Key specifications for 175857-1: End Item Identification: E2C2 AIRCRAFT. 0 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.