The Screw,machine, cataloged under National Stock Number 5305-00-353-6929, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is United Technologies Corp Electro Systems Inc. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-353-6929 |
| Primary Part Number | SC23-12A |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | United Technologies Corp Electro Systems Inc |
| Status | ACTIVE |
| Head Height | 0.125 INCHES NOMINAL IN |
| Fastener Length | 0.750 INCHES NOMINAL IN |
| Thread Length | 0.750 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | FILLISTER |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL |
| Internal Drive Style | SLOT |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 24 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.312 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 |
|---|---|
| SC23-12A PRIMARY | United Technologies Corp Electro Systems Inc (USA) |
| SC1340 PRIMARY | United Technologies Corp Electro Systems Inc (USA) |
| SC23-12CA PRIMARY | United Technologies Corp Electro Systems Inc (USA) |
| S323-12CA PRIMARY | United Technologies Corp Electro Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| SC1340 | 5/9 Secondary reference Ambac International Corporation Div Ambac International |
| S323-12CA | 5/9 Secondary reference Ambac International Corporation Div Ambac International |
| SC23-12CA | 5/9 Secondary reference Ambac International Corporation Div Ambac International |
| SC23-12A | 5/9 Secondary reference Ambac International Corporation Div Ambac International |
NSN 5305-00-353-6929 is a Screw,machine, manufactured by United Technologies Corp Electro Systems Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-353-6929 has 4 manufacturer part numbers on file: SC23-12A (United Technologies Corp Electro Systems Inc), SC1340 (United Technologies Corp Electro Systems Inc), SC23-12CA (United Technologies Corp Electro Systems Inc), S323-12CA (United Technologies Corp Electro Systems Inc).
Key specifications for SC23-12A: Head Height: 0.125 INCHES NOMINAL IN; Fastener Length: 0.750 INCHES NOMINAL IN; Thread Length: 0.750 INCHES NOMINAL IN; Nominal Thread Diameter: 0.190 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.