The Screw,close Tolerance, cataloged under National Stock Number 5305-01-451-7576, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Legacy Am&m. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-451-7576 |
| Primary Part Number | LD111-0046-2514 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | The Boeing Company Div Legacy Am&m |
| Status | ACTIVE |
| Head Height | 0.122 INCHES NOMINAL IN |
| Fastener Length | 1.327 INCHES MINIMUM AND 1.357 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-0-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.397 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | FLAT COUNTERSUNK UNDERCUT |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.875 INCHES NOMINAL IN |
| Grip Diameter | 0.2802 INCHES MINIMUM AND 0.2807 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | OFFSET CRUCIFORM (TORQUE SET) |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL COMP XM-13 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.464 INCHES MINIMUM 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 |
|---|---|
| LD111-0046-2514 | Huck International, Inc (USA) |
| LD111-0046-2514 | Hi-Shear Corporation (USA) |
| LD111-0046-2514 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| LD111-0046-2514 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| LD111-0046-2514 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| LD111-0046-2514 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| LD111-0046-2514 PRIMARY | The Boeing Company Div Legacy Am&m (USA) |
| Reference | Meaning |
|---|---|
| LD111-0046-2514 | 5/2 Secondary reference U.S. Government activity |
| LD111-0046-2514 | 5/2 Secondary reference U.S. Government activity |
NSN 5305-01-451-7576 is a Screw,close Tolerance, manufactured by The Boeing Company Div Legacy Am&m, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-451-7576 has 7 manufacturer part numbers on file: LD111-0046-2514 (Huck International, Inc), LD111-0046-2514 (Hi-Shear Corporation), LD111-0046-2514 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), LD111-0046-2514 (Sps Technologies, Llc Dba PB Fasteners), LD111-0046-2514 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company) and 2 more.
Key specifications for LD111-0046-2514: Head Height: 0.122 INCHES NOMINAL IN; Fastener Length: 1.327 INCHES MINIMUM AND 1.357 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-0-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.397 INCHES NOMINAL IN. 17 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.