The Screw,close Tolerance, cataloged under National Stock Number 5305-01-451-7615, 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 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-01-451-7615 |
| Primary Part Number | LD111-0046-2412 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | The Boeing Company Div Legacy Am&m |
| Status | ACTIVE |
| Head Height | 0.321 INCHES NOMINAL IN |
| Fastener Length | 1.132 INCHES MINIMUM AND 1.162 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-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 | 0.750 INCHES NOMINAL IN |
| Grip Diameter | 0.7797 INCHES MINIMUM AND 0.7802 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 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 |
|---|---|
| LD111-0046-2412 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| LD111-0046-2412 PRIMARY | The Boeing Company Div Legacy Am&m (USA) |
| LD111-0046-2412 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| LD111-0046-2412 | J.w. Manufacturing, Inc Dba Arconic Fastening Systems and Rings (USA) |
| LD111-0046-2412 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| LD111-0046-2412 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| LD111-0046-2412 | Huck International, Inc (USA) |
| LD111-0046-2412 | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| LD111-0046-2412 | Hi-Shear Corporation (USA) |
| Reference | Meaning |
|---|---|
| LD111-0046-2412 | 5/2 Secondary reference U.S. Government activity |
| LD111-0046-2412 | 5/2 Secondary reference U.S. Government activity |
NSN 5305-01-451-7615 is a Screw,close Tolerance, manufactured by The Boeing Company Div Legacy Am&m, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-451-7615 has 9 manufacturer part numbers on file: LD111-0046-2412 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), LD111-0046-2412 (The Boeing Company Div Legacy Am&m), LD111-0046-2412 (Sps Technologies, Llc Dba PB Fasteners), LD111-0046-2412 (J.w. Manufacturing, Inc Dba Arconic Fastening Systems and Rings), LD111-0046-2412 (Valley-Todeco, Inc. Dba Arconic Fastening Systems) and 4 more.
Key specifications for LD111-0046-2412: Head Height: 0.321 INCHES NOMINAL IN; Fastener Length: 1.132 INCHES MINIMUM AND 1.162 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-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.