The Screw,drive, cataloged under National Stock Number 5305-01-718-8953, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace. Government technical data includes 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-718-8953 |
| Primary Part Number | 21214-46 |
| Item Name | Screw,drive |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace |
| Status | ACTIVE |
| Nonmachine Nominal Thread Diameter | 0.098 INCHES IN |
| Head Height | 0.059 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN |
| Fastener Length | 0.250 INCHES NOMINAL IN |
| Nonmachine Thread Style | DRIVE SCREW (TYPE U) |
| Head Style | ROUND |
| Pilot Diameter | 0.080 INCHES MINIMUM AND 0.083 INCHES MAXIMUM IN |
| Pilot Length | 0.040 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Material | STEEL OVERALL |
| Head Diameter | 0.146 INCHES MINIMUM AND 0.162 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 |
|---|---|
| 21214-46 | Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA) |
| Reference | Meaning |
|---|---|
| MS21318-14 | 5/9 Secondary reference U.S. Government activity |
| MS21318-14 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-718-8953 is a Screw,drive, manufactured by Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-718-8953 has 1 manufacturer part number on file: 21214-46 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace).
Key specifications for 21214-46: Nonmachine Nominal Thread Diameter: 0.098 INCHES IN; Head Height: 0.059 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN; Fastener Length: 0.250 INCHES NOMINAL IN; Nonmachine Thread Style: DRIVE SCREW (TYPE U). 10 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.