The Eyelet,turnlock Fastener, cataloged under National Stock Number 5325-01-004-9610, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Southco Inc. Government technical data includes 9 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-004-9610 |
| Primary Part Number | 3503-3-BOC |
| Item Name | Eyelet,turnlock Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Southco Inc |
| Status | ACTIVE |
| Eyelet Height | 0.406 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-F-495 MIL SPEC 1ST TREATMENT RESPONSE AND MIL-C-14550 MIL SPEC 2ND TREATMENT RESPONSE OVERALL |
| Largest Inside Diameter | 0.342 INCHES MINIMUM AND 0.347 INCHES MAXIMUM IN |
| Turnlock Eyelet Style | EYELET |
| Material Document and Classification | ASTM 108 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Eyelet Inside Diameter | 0.225 INCHES NOMINAL IN |
| Surface Treatment | OXIDE FILM AND COPPER OVERALL |
| Material | STEEL COMP 1010 OVERALL |
| Body Thickness | 0.015 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 |
|---|---|
| 3503-3-BOC PRIMARY | Southco Inc (USA) |
| Reference | Meaning |
|---|---|
| 531900E99504-1 | 5/9 Secondary reference U.S. Government activity |
| 136054-105 | 5/9 Secondary reference Raytheon Company |
| PC35X547-6RB | 5/9 Secondary reference Southco Inc |
| PC3 1-2X547-6BLACKEBONALC | 5/9 Secondary reference Southco Inc |
NSN 5325-01-004-9610 is a Eyelet,turnlock Fastener, manufactured by Southco Inc, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-004-9610 has 1 manufacturer part number on file: 3503-3-BOC (Southco Inc).
Key specifications for 3503-3-BOC: Eyelet Height: 0.406 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-F-495 MIL SPEC 1ST TREATMENT RESPONSE AND MIL-C-14550 MIL SPEC 2ND TREATMENT RESPONSE OVERALL; Largest Inside Diameter: 0.342 INCHES MINIMUM AND 0.347 INCHES MAXIMUM IN; Turnlock Eyelet Style: EYELET. 9 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.