The Setscrew, cataloged under National Stock Number 5305-01-197-1371, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Tate Andale, Llc. Government technical data includes 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-197-1371 |
| Primary Part Number | 491010020029989 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Tate Andale, Llc |
| Status | ACTIVE |
| Point Diameter | 0.188 INCHES NOMINAL IN |
| Head Height | 0.250 INCHES NOMINAL IN |
| Point Length | 0.188 INCHES NOMINAL IN |
| Fastener Length | 2.500 INCHES NOMINAL IN |
| Material Document and Classification | QQ-B-637 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-B-639 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Head Style | SQUARE |
| Thread Direction | RIGHT-HAND |
| Point Style | DOG |
| Width Between Flats | 0.312 INCHES NOMINAL IN |
| Internal Drive Style | W/O INTERNAL DRIVE |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 13 |
| Material | COPPER ALLOY 464 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| N5385 PIECE 182 | Tate Andale, Llc (USA) |
| 491010020029989 PRIMARY | Tate Andale, Llc (USA) |
| Reference | Meaning |
|---|---|
| N5501 PIECE 182 | C/1 Advisory reference — outside the item-of-supply concept Tate Andale, Llc |
NSN 5305-01-197-1371 is a Setscrew, manufactured by Tate Andale, Llc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-197-1371 has 2 manufacturer part numbers on file: N5385 PIECE 182 (Tate Andale, Llc), 491010020029989 (Tate Andale, Llc).
Key specifications for 491010020029989: Point Diameter: 0.188 INCHES NOMINAL IN; Head Height: 0.250 INCHES NOMINAL IN; Point Length: 0.188 INCHES NOMINAL IN; Fastener Length: 2.500 INCHES NOMINAL IN. 15 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.