The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-734-1901, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 13 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-734-1901 |
| Primary Part Number | 752-8843787-89 |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Width Across Flats | 1.239 INCHES MINIMUM AND 1.257 INCHES MAXIMUM IN |
| Thread Series | UNJC |
| Material Document and Classification | AMS 6349,6382,6529,ASTM A193, A322,A331,A434 OR A752 NATIONAL STD/SPEC 1ST MATERIAL RESPONSE OR ASTM A322,A331,A434 OR A752 NATIONAL STD/SPEC 2ND MATERIAL RESPONSE OR ASTM A322,A331,A434 OR A752 NATIONAL STD/SPEC 3RD MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.7500 INCHES IN |
| Specification/standard Data | 80205-NAS9929 NATIONAL STD/SPEC |
| Locking Feature | SELF-LOCKING |
| Nut Height | 0.985 INCHES MINIMUM AND 1.015 INCHES MAXIMUM IN |
| Nut Style | HEXAGON |
| Thread Class | 3B |
| Thread Quantity Per Inch | 10 |
| Material | STEEL COMP 4140 OR STEEL COMP 4142 OR STEEL COMP 4145 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 |
|---|---|
| 752-8843787-89 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| R8321661-89 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| LSA002801-89 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| NAS9929-24MN | 3/2 Design control — primary reference U.S. Government activity |
| NAS9929 | 3/1 Design control — primary reference U.S. Government activity |
| 60-07-9555DSSA | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 5310-01-734-1901 is a Nut,self-Locking,hexagon, manufactured by Naval Sea Systems Command, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-734-1901 has 1 manufacturer part number on file: 752-8843787-89 (Naval Sea Systems Command).
Key specifications for 752-8843787-89: Width Across Flats: 1.239 INCHES MINIMUM AND 1.257 INCHES MAXIMUM IN; Thread Series: UNJC; Material Document and Classification: AMS 6349,6382,6529,ASTM A193, A322,A331,A434 OR A752 NATIONAL STD/SPEC 1ST MATERIAL RESPONSE OR ASTM A322,A331,A434 OR A752 NATIONAL STD/SPEC 2ND MATERIAL RESPONSE OR ASTM A322,A331,A434 OR A752 NATIONAL STD/SPEC 3RD MATERIAL RESPONSE OVERALL; Thread Direction: RIGHT-HAND. 13 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.