The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-287-3575, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 12 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-287-3575 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Width Across Flats | 1.500 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | ASTM B633,TYPE 2,CLASS FE/ZN 13 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UN |
| Material Document and Classification | SAE J995,GRADE 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.000 INCHES IN |
| Nondefinitive Spec/std Data | 1 TYPE AND A STYLE OR B STYLE |
| Nut Height | 0.875 INCHES NOMINAL IN |
| Surface Treatment | ZINC OVERALL |
| Nut Style | HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 8 |
| Material | STEEL 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 |
| Reference | Meaning |
|---|---|
| MIL-DTL-1222J, 1-8UNC-2B-TYPE1 | 2/2 Government specification standardization U.S. Government activity |
| M1222 0.375-16U NC-2A | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| MIL-S-1222TY2 2 INLG | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| MIL-DTL-1222J | 4/1 Identification reference U.S. Government activity |
| MIL-DTL-1222 | 5/9 Secondary reference U.S. Government activity |
| MIL-S-1222,TY-I,GR-2 ZINC PLT | 5/9 Secondary reference U.S. Government activity |
| M1222 0.312-18UNC-2AX0.875 THD | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| MIL-S-1222 TY-I,GR-2 HEX HEAD | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| MIL-S-1222 | 5/9 Secondary reference U.S. Government activity |
| MIL-DTL-1222J, TY-1, STY-A, GR-2 | 5/9 Secondary reference U.S. Government activity |
| MIL-S-1222TY2 3 .5INLG | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| MIL-S-1222TY1 1 .5INLG | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5310-01-287-3575 is a Nut,plain,hexagon, classified under FSC 5310, Nuts and Washers. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5305-01-289-5007. Verify interchangeability with system specifications before substitution.
Key specifications for 5310-01-287-3575: Width Across Flats: 1.500 INCHES NOMINAL IN; Surface Treatment Document and Classification: ASTM B633,TYPE 2,CLASS FE/ZN 13 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Thread Series: UN; Material Document and Classification: SAE J995,GRADE 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 14 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.