The Nut,plain,rectangular, cataloged under National Stock Number 5310-01-629-6438, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-629-6438 |
| Primary Part Number | 4060AS140-8 |
| Item Name | Nut,plain,rectangular |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Nut Width | 1.250 INCHES NOMINAL IN |
| Nut Length | 1.719 INCHES NOMINAL IN |
| Thread Series | ACME |
| Material Document and Classification | ASTM B505, UNS C93200 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | LEFT-HAND |
| Nominal Thread Size | 0.625 INCHES IN |
| Nut Height | 2.000 INCHES NOMINAL IN |
| Nut Style | PLAIN, RECTANGULAR |
| Thread Class | 2G G |
| Thread Quantity Per Inch | 8 |
| Material | COPPER ALLOY 932 OVERALL |
| 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 |
|---|---|
| 4060AS140-8 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| 4060AS140 FN 7 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 4060AS140 | D/9 Drawing number reference only Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
NSN 5310-01-629-6438 is a Nut,plain,rectangular, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-629-6438 has 2 manufacturer part numbers on file: 4060AS140-8 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 4060AS140 FN 7 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-629-6448. Verify interchangeability with system specifications before substitution.
Key specifications for 4060AS140-8: Nut Width: 1.250 INCHES NOMINAL IN; Nut Length: 1.719 INCHES NOMINAL IN; Thread Series: ACME; Material Document and Classification: ASTM B505, UNS C93200 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.