The Pin,shoulder,headless, cataloged under National Stock Number 5315-01-181-4156, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is L3 Technologies, Inc. Div Ocean Systems. Government technical data includes 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5315-01-181-4156 |
| Primary Part Number | 3329997 |
| Item Name | Pin,shoulder,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | L3 Technologies, Inc. Div Ocean Systems |
| Status | ACTIVE |
| Shank Diameter | 0.1580 INCHES MINIMUM AND 0.1582 INCHES MAXIMUM IN |
| Second Shank Diameter | 0.1580 INCHES MINIMUM AND 0.1582 INCHES MAXIMUM IN |
| First End Location | SMALL END |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| First End Style | SQUARE |
| Shank Length | 0.050 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN |
| Style Designator | SHOULDER |
| Material Document and Classification | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Second End Relationship with First End | NOT IDENTICAL |
| Shoulder Diameter | 0.184 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN |
| Second Shank Length | 0.148 INCHES MINIMUM AND 0.158 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Second End Style | SQUARE |
| Material | STEEL COMP 630 OVERALL |
| 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 |
|---|---|
| 3329997 PRIMARY | L3 Technologies, Inc. Div Ocean Systems (USA) |
| Reference | Meaning |
|---|---|
| 3329997 | 5/9 Secondary reference Allied-Signal Inc Dba Allied-Signal Aerospace Co Electrodynamics Div |
NSN 5315-01-181-4156 is a Pin,shoulder,headless, manufactured by L3 Technologies, Inc. Div Ocean Systems, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-181-4156 has 1 manufacturer part number on file: 3329997 (L3 Technologies, Inc. Div Ocean Systems).
Key specifications for 3329997: Shank Diameter: 0.1580 INCHES MINIMUM AND 0.1582 INCHES MAXIMUM IN; Second Shank Diameter: 0.1580 INCHES MINIMUM AND 0.1582 INCHES MAXIMUM IN; First End Location: SMALL END; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 14 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.