The Screw,machine, cataloged under National Stock Number 5305-01-573-8324, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Nd Defense Llc. Government technical data includes 11 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-573-8324 |
| Primary Part Number | 27211R1 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Nd Defense Llc |
| Status | ACTIVE |
| Screw Surface Treatment | ZINC |
| Fastener Length | 0.50 INCHES NOMINAL IN |
| Supplementary Features | TM 9-2355-318-24P-3 |
| Nominal Thread Diameter | 0.1640 INCHES IN |
| Head Style | PAN |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL |
| Internal Drive Style | CROSS RECESS TYPE II |
| Thread Quantity Per Inch | 32 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.3150 INCHES NOMINAL 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 |
|---|---|
| 27211R1 PRIMARY | Nd Defense Llc (USA) |
| Reference | Meaning |
|---|---|
| ESP-C-3.101-GS | D/9 Drawing number reference only Nd Defense Llc |
| 27211R1 | 5/9 Secondary reference Asf Logistics, Llc |
| ESP-C-3.105-NPP | D/9 Drawing number reference only Nd Defense Llc |
NSN 5305-01-573-8324 is a Screw,machine, manufactured by Nd Defense Llc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-573-8324 has 1 manufacturer part number on file: 27211R1 (Nd Defense Llc).
1 possible match (shared part number, not a government interchangeability claim): 5305-01-580-0026. Verify interchangeability with system specifications before substitution.
Key specifications for 27211R1: Screw Surface Treatment: ZINC; Fastener Length: 0.50 INCHES NOMINAL IN; Supplementary Features: TM 9-2355-318-24P-3; Nominal Thread Diameter: 0.1640 INCHES IN. 11 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.