The Nut,plain,internal Wrenching, cataloged under National Stock Number 5310-00-657-1590, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Satair A/s. Government technical data includes 15 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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 | 5310-00-657-1590 |
| Primary Part Number | 71134 |
| Item Name | Nut,plain,internal Wrenching |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Satair A/s |
| Status | ACTIVE |
| Thread Series | UNF |
| Hardness Rating | 38.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM |
| Hole Configuration Style | CONFIGURATION F |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.375 INCHES IN |
| Nut Diameter | 0.590 INCHES MINIMUM AND 0.600 INCHES MAXIMUM IN |
| Width Between Flats | 0.375 INCHES MINIMUM AND 0.378 INCHES MAXIMUM IN |
| Nut Height | 0.610 INCHES NOMINAL IN |
| Drilled Hole Diameter | 0.070 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Internal Drive Style | DOUBLE HEXAGON |
| Nut Style | INTERNAL WRENCHING |
| Thread Class | 3B |
| Thread Quantity Per Inch | 24 |
| Hole Type and Quantity | 8 DRILLED |
| 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 |
|---|---|
| 71134 | Satair A/s (DNK) |
| Reference | Meaning |
|---|---|
| 71134 | 3/2 Design control — primary reference U.S. Government activity |
| SP6356 | 5/9 Secondary reference Allen Mfg Co Sub of Chicago Pneumatic Tool Co |
NSN 5310-00-657-1590 is a Nut,plain,internal Wrenching, manufactured by Satair A/s, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-657-1590 has 1 manufacturer part number on file: 71134 (Satair A/s).
5 possible matches (shared part number, not a government interchangeability claim): 5905-00-761-0230, 5325-01-374-9785, 4420-01-377-6673. Verify interchangeability with system specifications before substitution.
Key specifications for 71134: Thread Series: UNF; Hardness Rating: 38.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM; Hole Configuration Style: CONFIGURATION F; Thread Direction: RIGHT-HAND. 15 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.