The Screw,machine, cataloged under National Stock Number 5305-01-126-1052, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Weldon Pump Llc. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-126-1052 |
| Primary Part Number | 100710-B |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Weldon Pump Llc |
| Status | ACTIVE |
| Head Height | 0.141 INCHES NOMINAL IN |
| Screw Surface Treatment | CADMIUM OR ZINC |
| Fastener Length | 0.500 INCHES NOMINAL IN |
| Thread Length | 0.312 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.164 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.250 INCHES NOMINAL IN |
| Screw Material | STEEL COMP 4140 OR STEEL COMP 8630 OR STEEL COMP 4037 |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Hole Quantity | 1 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Hole Configuration Style | HEXAGON FLATS |
| Hole Diameter | 0.046 INCHES NOMINAL IN |
| Screw Surface Treatment Document and Classification | QQ-P-416 FED SPEC 1ST TREATMENT RESPONSE |
| 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 |
|---|---|
| 100710-B PRIMARY | Weldon Pump Llc (USA) |
| Reference | Meaning |
|---|---|
| 100710-B | 5/9 Secondary reference Weldon Tool Co the |
NSN 5305-01-126-1052 is a Screw,machine, manufactured by Weldon Pump Llc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-126-1052 has 1 manufacturer part number on file: 100710-B (Weldon Pump Llc).
Key specifications for 100710-B: Head Height: 0.141 INCHES NOMINAL IN; Screw Surface Treatment: CADMIUM OR ZINC; Fastener Length: 0.500 INCHES NOMINAL IN; Thread Length: 0.312 INCHES NOMINAL IN. 16 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.