The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-016-3537, 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 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-01-016-3537 |
| Primary Part Number | LA43-0007-13 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Long-Lok, Llc |
| Status | ACTIVE |
| Width Across Flats | 0.063 INCHES MINIMUM AND 0.064 INCHES MAXIMUM IN |
| Head Height | 0.051 INCHES MINIMUM AND 0.059 INCHES MAXIMUM IN |
| Fastener Length | 0.156 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN |
| Thread Length | 0.106 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.112 INCHES IN |
| Head Style | BUTTON |
| Thread Direction | RIGHT-HAND |
| Locking Feature | PELLET THREADS |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | HEXAGON |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 40 |
| Material | STEEL COMP 301 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.201 INCHES MINIMUM AND 0.213 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 |
|---|---|
| SNT50429-13 | Pattonair Usa Inc Dba Incora Div Uniseal Division (USA) |
| LA43-0007-13 PRIMARY | Long-Lok, Llc (USA) |
| Reference | Meaning |
|---|---|
| AH701-13 | C/1 Advisory reference — outside the item-of-supply concept Airhardware Inc |
| 950701-13 | 7/2 Vendor item drawing reference Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
NSN 5305-01-016-3537 is a Screw,cap,socket Head, manufactured by Long-Lok, Llc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-016-3537 has 2 manufacturer part numbers on file: SNT50429-13 (Pattonair Usa Inc Dba Incora Div Uniseal Division), LA43-0007-13 (Long-Lok, Llc).
Key specifications for LA43-0007-13: Width Across Flats: 0.063 INCHES MINIMUM AND 0.064 INCHES MAXIMUM IN; Head Height: 0.051 INCHES MINIMUM AND 0.059 INCHES MAXIMUM IN; Fastener Length: 0.156 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN; Thread Length: 0.106 INCHES MINIMUM AND 0.188 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.