The Bushing,machine Thread, cataloged under National Stock Number 5365-01-191-3529, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Flowserve Inc. Government technical data includes 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5365-01-191-3529 |
| Primary Part Number | 31255-03013 |
| Item Name | Bushing,machine Thread |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Flowserve Inc |
| Status | ACTIVE |
| Width Across Flats | 0.875 INCHES NOMINAL IN |
| Screw Thread Length | 0.250 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.812 INCHES IN |
| Wrenching Facility Shape | FLAT |
| Thread Quantity Per Inch | 16 |
| Thread Series Designator | UN |
| 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 |
|---|---|
| 31255-03013 PRIMARY | Flowserve Inc (USA) |
| Reference | Meaning |
|---|---|
| 31255-410SS | 5/9 Secondary reference Flowserve Inc |
| 31255 | 5/9 Secondary reference Flowserve Inc |
NSN 5365-01-191-3529 is a Bushing,machine Thread, manufactured by Flowserve Inc, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-01-191-3529 has 1 manufacturer part number on file: 31255-03013 (Flowserve Inc).
3 possible matches (shared part number, not a government interchangeability claim): 9540-01-300-2883, 5905-01-375-9053, 1095-01-544-1072. Verify interchangeability with system specifications before substitution.
Key specifications for 31255-03013: Width Across Flats: 0.875 INCHES NOMINAL IN; Screw Thread Length: 0.250 INCHES NOMINAL IN; Overall Length: 0.500 INCHES NOMINAL IN; Thread Direction: RIGHT-HAND. 7 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.