The Screw,close Tolerance, cataloged under National Stock Number 5305-01-412-7497, 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 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-01-412-7497 |
| Primary Part Number | LD111-0045-2408 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | The Boeing Company Div Legacy Am&m |
| Status | ACTIVE |
| Fastener Length | 0.882 INCHES MINIMUM AND 0.912 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.397 INCHES NOMINAL IN |
| Material Document and Classification | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN |
| Grip Diameter | 0.2646 INCHES MINIMUM AND 0.2651 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 |
|---|---|
| LD111-0045-2408 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| LD111-0045-2408 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| LD111-0045-2408 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| LD111-0045-2408 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| LD111-0045-2408 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| LD111-0045-2408 | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| LD111-0045-2408 PRIMARY | The Boeing Company Div Legacy Am&m (USA) |
| LD111-0045-2408 | Hi-Shear Corporation (USA) |
| Reference | Meaning |
|---|---|
| LD111-0045-2408 | 5/9 Secondary reference Sps Technologes Inc |
| LD111-0045-2408 | 5/2 Secondary reference U.S. Government activity |
NSN 5305-01-412-7497 is a Screw,close Tolerance, manufactured by The Boeing Company Div Legacy Am&m, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-412-7497 has 8 manufacturer part numbers on file: LD111-0045-2408 (Sps Technologies, Llc Dba PB Fasteners), LD111-0045-2408 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), LD111-0045-2408 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), LD111-0045-2408 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), LD111-0045-2408 (Valley-Todeco, Inc. Dba Arconic Fastening Systems) and 3 more.
Key specifications for LD111-0045-2408: Fastener Length: 0.882 INCHES MINIMUM AND 0.912 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.397 INCHES NOMINAL IN; Material Document and Classification: AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 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.