The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-126-7312, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Long-Lok, Llc. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-126-7312 |
| Primary Part Number | LP35223-29 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Long-Lok, Llc |
| Status | ACTIVE |
| Head Height | 0.072 INCHES MINIMUM AND 0.082 INCHES MAXIMUM IN |
| Fastener Length | 0.407 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL C FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.345 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.138 INCHES IN |
| Head Style | PAN NO. 2 |
| Thread Direction | RIGHT-HAND |
| Locking Feature | PATCH OR STRIP THREADS |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.256 INCHES MINIMUM AND 0.270 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 |
|---|---|
| LP35223-29 PRIMARY | Long-Lok, Llc (USA) |
| Reference | Meaning |
|---|---|
| 5305011267312 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| SM-B-283611-2 | 3/2 Design control — primary reference U.S. Government activity |
| 530500011267312 | 5/9 Secondary reference E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 5305-01-126-7312 is a Screw,cap,socket Head, manufactured by Long-Lok, Llc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-126-7312 has 1 manufacturer part number on file: LP35223-29 (Long-Lok, Llc).
Key specifications for LP35223-29: Head Height: 0.072 INCHES MINIMUM AND 0.082 INCHES MAXIMUM IN; Fastener Length: 0.407 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416,TY 2,CL C FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.345 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN. 15 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.