The Stud,snapslide Fastener, cataloged under National Stock Number 5325-01-031-4900, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corporation Div Rms - Mitchel Field. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5325-01-031-4900 |
| Primary Part Number | 6401-8220 |
| Item Name | Stud,snapslide Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Lockheed Martin Corporation Div Rms - Mitchel Field |
| Status | ACTIVE |
| Shank Diameter | 0.162 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN |
| Neck Length | 0.058 INCHES NOMINAL IN |
| Snapslide Stud Style | STUD |
| Stud Length | 1.125 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING OVERALL |
| Neck Diameter | 0.187 INCHES NOMINAL IN |
| Shoulder Length | 0.075 INCHES NOMINAL IN |
| Largest Diameter | 0.312 INCHES NOMINAL 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 |
|---|---|
| 6401-8220 | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| Reference | Meaning |
|---|---|
| 2S-1-075-093 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5325-01-031-4900 is a Stud,snapslide Fastener, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-031-4900 has 1 manufacturer part number on file: 6401-8220 (Lockheed Martin Corporation Div Rms - Mitchel Field).
Key specifications for 6401-8220: Shank Diameter: 0.162 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN; Neck Length: 0.058 INCHES NOMINAL IN; Snapslide Stud Style: STUD; Stud Length: 1.125 INCHES NOMINAL IN. 8 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.