The Screw,close Tolerance, cataloged under National Stock Number 5305-01-356-2535, 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 18 specifications, cited from the U.S. Government catalog. The record lists 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-01-356-2535 |
| Primary Part Number | LD111-0047-0508 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | The Boeing Company Div Legacy Am&m |
| Status | ACTIVE |
| Fastener Length | 0.952 INCHES MINIMUM AND 0.982 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ+35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.407 INCHES NOMINAL IN |
| Material Document and Classification | AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | OVAL COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN |
| Grip Diameter | 0.3115 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Minimum Tensile Strength | 125000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | TORQUE-SET RIBBED |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL COMP XM-13 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.469 INCHES MINIMUM AND 0.474 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 |
|---|---|
| LD111-0047-0508 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| LD111-0047-0508 | Howmet Global Fastening Systems Inc (USA) |
| LD111-0047-0508 | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| LD111-0047-0508 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| LD111-0047-0508 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| LD111-0047-0508 | J.w. Manufacturing, Inc Dba Arconic Fastening Systems and Rings (USA) |
| LD111-0047-0508 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| LD111-0047-0508 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| LD111-0047-0508 PRIMARY | The Boeing Company Div Legacy Am&m (USA) |
| LD111-0047-0508 | Hi-Shear Corporation (USA) |
| Reference | Meaning |
|---|---|
| LD111-0047-0508 | 5/9 Secondary reference Sps Technologies Inc |
| LD111-0047-0508 | 5/2 Secondary reference U.S. Government activity |
NSN 5305-01-356-2535 is a Screw,close Tolerance, manufactured by The Boeing Company Div Legacy Am&m, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-356-2535 has 10 manufacturer part numbers on file: LD111-0047-0508 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), LD111-0047-0508 (Howmet Global Fastening Systems Inc), LD111-0047-0508 (Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries), LD111-0047-0508 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), LD111-0047-0508 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc) and 5 more.
Key specifications for LD111-0047-0508: Fastener Length: 0.952 INCHES MINIMUM AND 0.982 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ+35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.407 INCHES NOMINAL IN; Material Document and Classification: AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 18 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.