The Screw,panel Fastener, cataloged under National Stock Number 5305-00-984-7441, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters. Government technical data includes 10 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-00-984-7441 |
| Primary Part Number | B4525-312-34 |
| Item Name | Screw,panel Fastener |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters |
| Status | ACTIVE |
| Head Height | 0.129 INCHES NOMINAL IN |
| Fastener Length | 1.091 INCHES NOMINAL IN |
| Thread Length | 0.303 INCHES MINIMUM IN |
| Nominal Thread Diameter | 0.230 INCHES IN |
| Head Style | FLAT CHAMFER |
| Surface Treatment | UNABLE TO DECODE |
| Internal Drive Style | SLOT |
| Material | UNABLE TO DECODE |
| Thread Series Designator | SQUARE |
| Head Diameter | 0.500 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 |
|---|---|
| B4525-312-34 | Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters (USA) |
| Reference | Meaning |
|---|---|
| 12-11-613-12 | 3/2 Design control — primary reference U.S. Government activity |
| 13211E8336-2 | 7/2 Vendor item drawing reference U.S. Government activity |
| SCR240 | 5/9 Secondary reference Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters |
| 13214E3744W34 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 5305-00-984-7441 is a Screw,panel Fastener, manufactured by Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-984-7441 has 1 manufacturer part number on file: B4525-312-34 (Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters).
Key specifications for B4525-312-34: Head Height: 0.129 INCHES NOMINAL IN; Fastener Length: 1.091 INCHES NOMINAL IN; Thread Length: 0.303 INCHES MINIMUM IN; Nominal Thread Diameter: 0.230 INCHES IN. 10 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.