The Nut,plain,round, cataloged under National Stock Number 5310-00-628-9781, 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 11 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-628-9781 |
| Primary Part Number | 360704 |
| Item Name | Nut,plain,round |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Surface Treatment Document and Classification | AMS 2412 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Precious Material | SILVER |
| Hardness Rating | 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM |
| Material Document and Classification | AMS6322 ASSN STD SINGLE MATERIAL RESPONSE OR AMS6323 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Drive Point Width | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Nut Diameter | 6.480 INCHES MINIMUM AND 6.500 INCHES MAXIMUM IN |
| Nut Thickness | 1.440 INCHES MINIMUM AND 1.460 INCHES MAXIMUM IN |
| Small End Diameter | 6.070 INCHES MINIMUM AND 6.090 INCHES MAXIMUM IN |
| Drive Point Quantity | 5 |
| Material | STEEL COMP 8740 OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 360704 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 360704 | Bc Technical Center, Llc Dba Bc Engineered Products (USA) |
| 360704 | Caprice Engineering Company, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 360704 | 5/9 Secondary reference U.S. Government activity |
NSN 5310-00-628-9781 is a Nut,plain,round, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-628-9781 has 3 manufacturer part numbers on file: 360704 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 360704 (Bc Technical Center, Llc Dba Bc Engineered Products), 360704 (Caprice Engineering Company, Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 2815-01-351-8335, 1560-01-605-2559. Verify interchangeability with system specifications before substitution.
Key specifications for 360704: Surface Treatment Document and Classification: AMS 2412 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Precious Material: SILVER; Hardness Rating: 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM; Material Document and Classification: AMS6322 ASSN STD SINGLE MATERIAL RESPONSE OR AMS6323 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 11 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.