The Nut,plain,square, cataloged under National Stock Number 5310-00-272-5692, 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14 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-272-5692 |
| Item Name | Nut,plain,square |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Width Across Flats | 1.125 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-Z-17871 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Material Document and Classification | QQ-S-633 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.750 INCHES IN |
| Nondefinitive Spec/std Data | 1 TYPE AND 1 STYLE |
| Nut Height | 0.656 INCHES NOMINAL IN |
| Surface Treatment | ZINC OVERALL |
| Nut Style | SQUARE |
| Thread Class | 2B |
| Thread Quantity Per Inch | 10 |
| Material | STEEL COMP 1109 OR STEEL COMP 1117 OR STEEL COMP 1118 OR STEEL COMP 1120 OVERALL |
| Bearing Surface Type | 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 |
|---|---|
| FFN836 | 4/1 Identification reference U.S. Government activity |
| MS21304-7 | 2/2 Government specification standardization U.S. Government activity |
| 5R6608 | C/1 Advisory reference — outside the item-of-supply concept Caterpillar Inc Div Caterpillar Defense |
NSN 5310-00-272-5692 is a Nut,plain,square, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-00-272-5692: Width Across Flats: 1.125 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-Z-17871 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Series: UNIFIED NATIONAL COARSE (UNC); Material Document and Classification: QQ-S-633 FED SPEC ALL MATERIAL RESPONSES 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.