The Screw,machine, cataloged under National Stock Number 5305-01-499-4515, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Huntsville Fastener & Supply Inc. Government technical data includes 12 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-499-4515 |
| Primary Part Number | 8C100MXPB |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Huntsville Fastener & Supply Inc |
| Status | ACTIVE |
| Head Height | 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN |
| Fastener Length | 1.000 INCHES NOMINAL IN |
| Thread Length | 1.000 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.164 INCHES IN |
| Head Style | PAN |
| Thread Direction | RIGHT-HAND |
| Screw Material | COPPER ALLOY |
| Internal Drive Style | CROSS RECESS TYPE II |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.306 INCHES MINIMUM AND 0.322 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 |
|---|---|
| 8C100MXPB PRIMARY | Huntsville Fastener & Supply Inc (USA) |
NSN 5305-01-499-4515 is a Screw,machine, manufactured by Huntsville Fastener & Supply Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-499-4515 has 1 manufacturer part number on file: 8C100MXPB (Huntsville Fastener & Supply Inc).
Key specifications for 8C100MXPB: Head Height: 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN; Fastener Length: 1.000 INCHES NOMINAL IN; Thread Length: 1.000 INCHES NOMINAL IN; Nominal Thread Diameter: 0.164 INCHES IN. 12 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.