The Stud,turnlock Fastener, cataloged under National Stock Number 5325-00-471-0405, 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 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-471-0405 |
| Primary Part Number | D4-AJW5-110SSPSNA |
| Item Name | Stud,turnlock Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Southco Inc |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-STD-171 FINISH NO. 5.4.1 MIL STD SINGLE TREATMENT RESPONSE OVERALL |
| Head Length | 1.109 INCHES MINIMUM AND 1.141 INCHES MAXIMUM IN |
| Turnlock Stud Shank Style | STUD SHANK |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE HEAD |
| Material Document and Classification | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE STUD |
| Stud Head Height | 0.422 INCHES MINIMUM AND 0.454 INCHES MAXIMUM IN |
| Shank Neck Length | 0.690 INCHES MINIMUM AND 0.710 INCHES MAXIMUM IN |
| Securing Device Type | GROMMET |
| Turnlock Stud Head Style | FILLISTER WING |
| Stud Shank Major Diameter | 0.307 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL COMP 302 OR STEEL COMP 304 HEAD |
| Material | STEEL COMP 303 STUD |
| Grip Length | 1.090 INCHES MINIMUM AND 1.110 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 |
|---|---|
| D4-AJW5-110SSPSNA PRIMARY | Southco Inc (USA) |
| Reference | Meaning |
|---|---|
| AJW5-110SSPS | 3/9 Design control — primary reference Southco Inc |
| 9175663-3 | 7/2 Vendor item drawing reference Us Army Aviation and Missile Command |
| 121J-W5110-SS-PAS | 5/9 Secondary reference Southco Inc |
NSN 5325-00-471-0405 is a Stud,turnlock Fastener, manufactured by Southco Inc, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-471-0405 has 1 manufacturer part number on file: D4-AJW5-110SSPSNA (Southco Inc).
Key specifications for D4-AJW5-110SSPSNA: Surface Treatment Document and Classification: MIL-STD-171 FINISH NO. 5.4.1 MIL STD SINGLE TREATMENT RESPONSE OVERALL; Head Length: 1.109 INCHES MINIMUM AND 1.141 INCHES MAXIMUM IN; Turnlock Stud Shank Style: STUD SHANK; Material Document and Classification: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE HEAD. 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.