The Nut,self-Locking,plate, cataloged under National Stock Number 5310-00-005-1550, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Allison Transmission Inc Dba Allison Transmission, Inc. Government technical data includes 23 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-005-1550 |
| Primary Part Number | 6865392-4 |
| Item Name | Nut,self-Locking,plate |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Allison Transmission Inc Dba Allison Transmission, Inc |
| Status | ACTIVE |
| Plate Thickness | 0.032 INCHES MAXIMUM IN |
| Nut Length | 1.290 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | AMS 2411 ASSN STD SINGLE TREATMENT RESPONSE NUT |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Plate Width | 0.516 INCHES MAXIMUM IN |
| Temp Rating | 900.0 FAHRENHEIT NOMINAL DEGF |
| Mounting Hole Arrangement Style | 2 HOLES |
| Material Document and Classification | AMS 5525 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Mounting Hole Diameter | 0.098 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN |
| Features Provided | FLOATING NUT |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Distance From Aperture Center to Mounting Hole Center | 0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Center to Center Distance Between Mounting Holes Along Length | 0.998 INCHES MINIMUM AND 1.002 INCHES MAXIMUM IN |
| Nut Height | 0.281 INCHES MAXIMUM IN |
| Surface Treatment | SILVER NUT |
| Surface Treatment | PASSIVATE SHELL |
| Nut Style | PLATE |
| Thread Class | 3B |
| Thread Quantity Per Inch | 28 |
| Material | IRON ALLOY 660 OVERALL |
| Nut Mounting Provision | STRAIGHT HOLES |
| 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 |
|---|---|
| 6865392-4 PRIMARY | Allison Transmission Inc Dba Allison Transmission, Inc (USA) |
| T8130C428C PRIMARY | Republic Fastener Mfg. Corp. Dba Arconic Fastening Systems (USA) |
| Reference | Meaning |
|---|---|
| 686539-4 | 5/9 Secondary reference Allison Transmission Inc Dba Allison Transmission, Inc |
| T8130C428C | 5/9 Secondary reference Sps Technologies, Llc Dba Cherry Aerospace Div Div Cherry Aerospace |
NSN 5310-00-005-1550 is a Nut,self-Locking,plate, manufactured by Allison Transmission Inc Dba Allison Transmission, Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-005-1550 has 2 manufacturer part numbers on file: 6865392-4 (Allison Transmission Inc Dba Allison Transmission, Inc), T8130C428C (Republic Fastener Mfg. Corp. Dba Arconic Fastening Systems).
Key specifications for 6865392-4: Plate Thickness: 0.032 INCHES MAXIMUM IN; Nut Length: 1.290 INCHES MAXIMUM IN; Surface Treatment Document and Classification: AMS 2411 ASSN STD SINGLE TREATMENT RESPONSE NUT; Thread Series: UNIFIED NATIONAL JOINT FINE (UNJF). 23 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.