The Screw Assembly,panel, cataloged under National Stock Number 5305-01-288-5726, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company. Government technical data includes 27 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-288-5726 |
| Primary Part Number | D7500-4-A-1 |
| Item Name | Screw Assembly,panel |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company |
| Status | ACTIVE |
| Head Height | 0.255 INCHES MINIMUM AND 0.285 INCHES MAXIMUM IN |
| Fastener Length | 0.271 INCHES MINIMUM AND 0.301 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE FASTENER |
| Surface Treatment Document and Classification | MIL-A-8625 TY 1 CL 1 MIL SPEC SINGLE TREATMENT RESPONSE HEAD |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE SPRING |
| Surface Treatment Document and Classification | MIL-A-8625 TY 1 CL 1 MIL SPEC SINGLE TREATMENT RESPONSE STAND-OFF |
| Material Accommodated Thickness | 0.031 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN |
| Material Document and Classification | ASTM A580 ASSN STD SINGLE MATERIAL RESPONSE SPRING |
| Material Document and Classification | ASTM A493 ASSN STD SINGLE MATERIAL RESPONSE FASTENER |
| Material Document and Classification | QQ-A-225/8 FED SPEC SINGLE MATERIAL RESPONSE HEAD |
| Material Document and Classification | QQ-A-225/8 FED SPEC SINGLE MATERIAL RESPONSE STAND-OFF |
| Nominal Thread Diameter | 0.112 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | ANODIZE STAND-OFF |
| Surface Treatment | PASSIVATE FASTENER |
| Surface Treatment | PASSIVATE SPRING |
| Surface Treatment | ANODIZE HEAD |
| Internal Drive Style | SLOT |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 40 |
| Material | STEEL COMP 302 SPRING |
| Material | ALUMINUM ALLOY 6061 STAND-OFF |
| Material | ALUMINUM ALLOY 6061 HEAD |
| Material | STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 347 OR STEEL COMP 384 FASTENER |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.310 INCHES MINIMUM AND 0.340 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 |
|---|---|
| D7500-4-A-1 | Huck International, Inc. Div Huck Products Division (USA) |
| D7500-4-A-1 PRIMARY | Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company (USA) |
| Reference | Meaning |
|---|---|
| 41359-1 | 5/2 Secondary reference U.S. Government activity |
| 41359-1 | 5/9 Secondary reference Datron Systems Inc |
NSN 5305-01-288-5726 is a Screw Assembly,panel, manufactured by Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-288-5726 has 2 manufacturer part numbers on file: D7500-4-A-1 (Huck International, Inc. Div Huck Products Division), D7500-4-A-1 (Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company).
3 possible matches (shared part number, not a government interchangeability claim): 4140-01-294-6041, 5910-01-330-7583, 6220-01-333-5807. Verify interchangeability with system specifications before substitution.
Key specifications for D7500-4-A-1: Head Height: 0.255 INCHES MINIMUM AND 0.285 INCHES MAXIMUM IN; Fastener Length: 0.271 INCHES MINIMUM AND 0.301 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE FASTENER; Surface Treatment Document and Classification: MIL-A-8625 TY 1 CL 1 MIL SPEC SINGLE TREATMENT RESPONSE HEAD. 27 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.