The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-272-5705, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Flowserve Us, Inc. Dba Automax Actuators Div Flow Control Division. Government technical data includes 12 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through both NSN and commercial part number lookups. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 5310-00-272-5705 |
| Primary Part Number | 2242-5-22 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Flowserve Us, Inc. Dba Automax Actuators Div Flow Control Division |
| Status | ACTIVE |
| Width Across Flats | 1.631 INCHES MINIMUM AND 1.687 INCHES MAXIMUM IN |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Hardness Rating | 80.0 ROCKWELL B MINIMUM |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.125 INCHES IN |
| Nondefinitive Spec/std Data | 1 TYPE AND 400 GRADE OR 405 GRADE |
| Nut Height | 0.939 INCHES MINIMUM AND 0.999 INCHES MAXIMUM IN |
| Nut Style | HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 7 |
| Material | NICKEL ALLOY OVERALL |
| Bearing Surface Type | CHAMFERED OR WASHER FACED |
| 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 |
|---|---|
| 2242-5-22 PRIMARY | Flowserve Us, Inc. Dba Automax Actuators Div Flow Control Division (USA) |
| Reference | Meaning |
|---|---|
| 2242-5-46 | 5/9 Secondary reference U.S. Government activity |
| 125056 | 5/9 Secondary reference U.S. Government activity |
| 2242-5-22 | 5/9 Secondary reference U.S. Government activity |
| 04134517 | 5/9 Secondary reference Flowserve Us, Inc. Dba Automax Actuators Div Flow Control Division |
| MIL-DTL-1222 | 5/9 Secondary reference U.S. Government activity |
| 1S-1122-5-12 | 5/9 Secondary reference Zf Industrieantriebe Witten Gmbh |
| 04134517 | 5/9 Secondary reference U.S. Government activity |
| MIL-S-1222 | 5/9 Secondary reference U.S. Government activity |
| 2242-5-12 | 5/9 Secondary reference Rahrbach Gmbh |
NSN 5310-00-272-5705 is a Nut,plain,hexagon, manufactured by Flowserve Us, Inc. Dba Automax Actuators Div Flow Control Division, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-272-5705 has 1 manufacturer part number on file: 2242-5-22 (Flowserve Us, Inc. Dba Automax Actuators Div Flow Control Division).
4 possible matches (shared part number, not a government interchangeability claim): 5310-00-436-7218, 5330-00-815-7126, 5330-01-173-6665. Verify interchangeability with system specifications before substitution.
Key specifications for 2242-5-22: Width Across Flats: 1.631 INCHES MINIMUM AND 1.687 INCHES MAXIMUM IN; Thread Series: UNIFIED NATIONAL COARSE (UNC); Hardness Rating: 80.0 ROCKWELL B MINIMUM; Thread Direction: RIGHT-HAND. 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.