The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-00-027-2022, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Esna, Llc. Government technical data includes 14 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through both NSN and commercial part number lookups. 11 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5310-00-027-2022 |
| Primary Part Number | 49NE-120 |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Esna, Llc |
| Status | ACTIVE |
| Width Across Flats | 1.045 INCHES MINIMUM AND 1.065 INCHES MAXIMUM IN |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Temp Rating | 250.0 FAHRENHEIT NOMINAL DEGF |
| Material Document and Classification | 6-286-M FSCM 24617 MFR REF SINGLE MATERIAL RESPONSE NUT |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.750 INCHES IN |
| Locking Feature | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| Nut Height | 0.860 INCHES MINIMUM AND 0.890 INCHES MAXIMUM IN |
| Nut Style | HEXAGON |
| Thread Class | 3B |
| Thread Quantity Per Inch | 10 |
| Material | STEEL NUT |
| Material | PLASTIC POLYAMIDE NYLON LOCKING INSERT |
| Bearing Surface Type | CHAMFERED |
| 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 |
|---|---|
| 49NE-120 PRIMARY | Esna, Llc (USA) |
| Reference | Meaning |
|---|---|
| C721075C000 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 386B203013 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 274210 | 5/9 Secondary reference General Motors Corp |
| 386B203-013 | 5/9 Secondary reference U.S. Government activity |
| 1129E02 ITEM 35 | 5/9 Secondary reference U.S. Government activity |
| 1129E05 ITEM 10 | 5/9 Secondary reference U.S. Government activity |
| 274210 | C/1 Advisory reference — outside the item-of-supply concept General Motors Llc Dba General Motors Llc |
| 5310PL0701372 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 82-3029-008 | C/1 Advisory reference — outside the item-of-supply concept Pierce Manufacturing Inc |
| 49NE-120 | 5/9 Secondary reference Harvard Industries Inc |
| 274210 | 5/9 Secondary reference U.S. Government activity |
NSN 5310-00-027-2022 is a Nut,self-Locking,hexagon, manufactured by Esna, Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-027-2022 has 1 manufacturer part number on file: 49NE-120 (Esna, Llc).
1 possible match (shared part number, not a government interchangeability claim): 5325-00-582-2659. Verify interchangeability with system specifications before substitution.
Key specifications for 49NE-120: Width Across Flats: 1.045 INCHES MINIMUM AND 1.065 INCHES MAXIMUM IN; Thread Series: UNIFIED NATIONAL COARSE (UNC); Temp Rating: 250.0 FAHRENHEIT NOMINAL DEGF; Material Document and Classification: 6-286-M FSCM 24617 MFR REF SINGLE MATERIAL RESPONSE NUT. 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.