The Screw,machine, cataloged under National Stock Number 5305-01-007-8453, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Atlantic Inertial Systems Inc Div Cheshire Division. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-007-8453 |
| Primary Part Number | 10821-6 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Atlantic Inertial Systems Inc Div Cheshire Division |
| Status | ACTIVE |
| Fastener Length | 0.182 INCHES MINIMUM AND 0.192 INCHES MAXIMUM IN |
| Screw Material Document and Classification | QQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE |
| Thread Length | 0.121 INCHES MINIMUM AND 0.169 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.073 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL COMP 303 |
| Internal Drive Style | SLOT |
| Countersink Angle | 81.0 DEGREES NOMINAL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 72 |
| Thread Series Designator | UNF |
| Head Diameter | 0.123 INCHES MINIMUM AND 0.133 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 |
NSN 5305-01-007-8453 is a Screw,machine, manufactured by Atlantic Inertial Systems Inc Div Cheshire Division, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-007-8453 has 2 manufacturer part numbers on file: 10821-6 (Condor Pacific Industries, Inc.), 10821-6 (Atlantic Inertial Systems Inc Div Cheshire Division).
Key specifications for 10821-6: Fastener Length: 0.182 INCHES MINIMUM AND 0.192 INCHES MAXIMUM IN; Screw Material Document and Classification: QQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE; Thread Length: 0.121 INCHES MINIMUM AND 0.169 INCHES MAXIMUM IN; Nominal Thread Diameter: 0.073 INCHES IN. 13 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.