The Nut Assembly,self-Locking,gang C, cataloged under National Stock Number 5310-00-142-9972, 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 18 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-142-9972 |
| Primary Part Number | RM52LHTG51-02J8 |
| Item Name | Nut Assembly,self-Locking,gang C |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Esna, Llc |
| Status | ACTIVE |
| Lubrication | DRY FILM LUBRICANTDRY FILM LUBRICANT |
| Surface Treatment Document and Classification | QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE NUTQQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE NUT |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF)UNIFIED NATIONAL JOINT FINE (UNJF) |
| Nut Quantity | 7272 |
| Features Provided | FLOATING NUTFLOATING NUT |
| Channel Height | 0.178 INCHES MAXIMUM0.178 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HANDRIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES0.190 INCHES IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGNPREVAILING TORQUE ALL METAL DESIGN |
| Assembly Overall Height | 0.215 INCHES MAXIMUM0.215 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM NUTCADMIUM NUT |
| Nut Style | GANG CHANNEL, SELF LOCKINGGANG CHANNEL, SELF LOCKING |
| Thread Class | 3B3B |
| Thread Quantity Per Inch | 3232 |
| Material | STEEL NUT |
| Material | ALUMINUM ALLOY CHANNEL |
| Nut Spacing | 1.000 INCHES NOMINAL1.000 INCHES NOMINAL IN |
| Channel Style | STRAIGHT TYPESTRAIGHT TYPE |
| 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 |
|---|---|
| RM52LHTG51-02J8 PRIMARY | Esna, Llc (USA) |
| Reference | Meaning |
|---|---|
| RM52LHTG51-02J8 | 5/9 Secondary reference Harvard Industries Inc |
NSN 5310-00-142-9972 is a Nut Assembly,self-Locking,gang C, manufactured by Esna, Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-142-9972 has 1 manufacturer part number on file: RM52LHTG51-02J8 (Esna, Llc).
Key specifications for RM52LHTG51-02J8: Lubrication: DRY FILM LUBRICANTDRY FILM LUBRICANT; Surface Treatment Document and Classification: QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE NUTQQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE NUT; Thread Series: UNIFIED NATIONAL JOINT FINE (UNJF)UNIFIED NATIONAL JOINT FINE (UNJF); Nut Quantity: 7272. 18 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.