The Screw,machine, cataloged under National Stock Number 5305-01-445-3454, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Spectro Scientific, Inc Dba Spectro Inc. Government technical data includes 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-445-3454 |
| Primary Part Number | H10141 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Spectro Scientific, Inc Dba Spectro Inc |
| Status | ACTIVE |
| Screw Surface Treatment | CADMIUM |
| Fastener Length | 0.250 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.164 INCHES IN |
| Head Style | FILLISTER |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Thread Quantity Per Inch | 32 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| H10141 PRIMARY | Spectro Scientific, Inc Dba Spectro Inc (USA) |
| Reference | Meaning |
|---|---|
| 18462ADX | 5/9 Secondary reference Airdale Express Llc Div Airdale Express |
| 18462 | 5/9 Secondary reference Federal Screw Products, Inc. |
NSN 5305-01-445-3454 is a Screw,machine, manufactured by Spectro Scientific, Inc Dba Spectro Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-445-3454 has 1 manufacturer part number on file: H10141 (Spectro Scientific, Inc Dba Spectro Inc).
4 possible matches (shared part number, not a government interchangeability claim): 6150-01-513-9941, 4610-01-546-9441, 6515-01-590-1450. Verify interchangeability with system specifications before substitution.
Key specifications for H10141: Screw Surface Treatment: CADMIUM; Fastener Length: 0.250 INCHES NOMINAL IN; Nominal Thread Diameter: 0.164 INCHES IN; Head Style: FILLISTER. 9 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.