The Screw,machine, cataloged under National Stock Number 5305-00-271-2412, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corporation Div Rms. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-00-271-2412 |
| Primary Part Number | 0453-062 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| Head Height | 0.041 INCHES MINIMUM AND 0.046 INCHES MAXIMUM IN |
| Fastener Length | 0.250 INCHES NOMINAL IN |
| Screw Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE |
| Thread Length | 0.250 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.086 INCHES IN |
| Head Style | BINDING |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL COMP 303 |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 56 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.171 INCHES MINIMUM AND 0.181 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 |
|---|---|
| 0453-062 PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
| Z43S77921-3020 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 43S77921-3020 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 0453-062 | 5/9 Secondary reference Lockheed Martin Corporation Div Rms - Mitchel Field |
NSN 5305-00-271-2412 is a Screw,machine, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-271-2412 has 3 manufacturer part numbers on file: 0453-062 (Lockheed Martin Corporation Div Rms), Z43S77921-3020 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 43S77921-3020 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 0453-062: Head Height: 0.041 INCHES MINIMUM AND 0.046 INCHES MAXIMUM IN; Fastener Length: 0.250 INCHES NOMINAL IN; Screw Material Document and Classification: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE; Thread Length: 0.250 INCHES MAXIMUM IN. 13 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.