The Nut,self-Locking,plate, cataloged under National Stock Number 5310-00-149-8546, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 19 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-00-149-8546 |
| Primary Part Number | 654860 |
| Item Name | Nut,self-Locking,plate |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Plate Thickness | 0.050 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN |
| Nut Length | 0.875 INCHES MINIMUM AND 0.905 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | AMS 2411 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Mounting Hole Arrangement Style | 2 HOLES |
| Hardness Rating | 29.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM |
| Material Document and Classification | AMS 5735 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Mounting Hole Diameter | 0.098 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN |
| 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 |
| Nut Height | 0.396 INCHES MINIMUM AND 0.411 INCHES MAXIMUM IN |
| Surface Treatment | SILVER OVERALL |
| Nut Style | PLATE |
| Thread Class | 3BG |
| Thread Quantity Per Inch | 28 |
| Material | STEEL 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 |
|---|---|
| 654860 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| ZA6635-048K | 3/9 Design control — primary reference Harvard Industries Inc |
NSN 5310-00-149-8546 is a Nut,self-Locking,plate, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-149-8546 has 1 manufacturer part number on file: 654860 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 654860: Plate Thickness: 0.050 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN; Nut Length: 0.875 INCHES MINIMUM AND 0.905 INCHES MAXIMUM IN; Surface Treatment Document and Classification: AMS 2411 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Thread Series: UNIFIED NATIONAL JOINT FINE (UNJF). 19 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.