The Nut,plain,slotted,hexagon, cataloged under National Stock Number 5310-00-264-1300, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Bae Systems Land & Armaments L.p.. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 6 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 5310-00-264-1300 |
| Primary Part Number | M4500-10F581PC24 |
| Item Name | Nut,plain,slotted,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Bae Systems Land & Armaments L.p. |
| Status | ACTIVE |
| Width Across Flats | 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Material Document and Classification | SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.500 INCHES IN |
| Nut Height | 0.677 INCHES MINIMUM AND 0.697 INCHES MAXIMUM IN |
| Nut Style | SLOTTED, HEXAGON |
| Thread Class | 3B |
| Thread Quantity Per Inch | 13 |
| Material | STEEL COMP 1115 OVERALL |
| Bearing Surface Type | WASHER FACED |
| 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 |
|---|---|
| M4500-10F581PC24 PRIMARY | Bae Systems Land & Armaments L.p. (USA) |
| 4500-10F581PC24 PRIMARY | Bae Systems Land & Armaments L.p. (USA) |
| 4500-20V1943APC26 PRIMARY | Bae Systems Land & Armaments L.p. (USA) |
| 4500-10F548PC24 PRIMARY | Bae Systems Land & Armaments L.p. (USA) |
| M4500-10F580PC24 PRIMARY | Bae Systems Land & Armaments L.p. (USA) |
| 4500-10V2125APC24 PRIMARY | Bae Systems Land & Armaments L.p. (USA) |
| Reference | Meaning |
|---|---|
| 56461 | 7/2 Vendor item drawing reference Mcnally Industries Llc Div Northern Pump Division |
| 4500-10F548 PIE | C/1 Advisory reference — outside the item-of-supply concept Mcnally Industries Llc Div Northern Pump Division |
| 4500-10F548 PIECE 24 | 5/9 Secondary reference Mcnally Industries Llc Div Northern Pump Division |
NSN 5310-00-264-1300 is a Nut,plain,slotted,hexagon, manufactured by Bae Systems Land & Armaments L.p., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-264-1300 has 6 manufacturer part numbers on file: M4500-10F581PC24 (Bae Systems Land & Armaments L.p.), 4500-10F581PC24 (Bae Systems Land & Armaments L.p.), 4500-20V1943APC26 (Bae Systems Land & Armaments L.p.), 4500-10F548PC24 (Bae Systems Land & Armaments L.p.), M4500-10F580PC24 (Bae Systems Land & Armaments L.p.) and 1 more.
4 possible matches (shared part number, not a government interchangeability claim): 5340-00-332-9157, 9150-00-995-7493, 5306-01-148-6618. Verify interchangeability with system specifications before substitution.
Key specifications for M4500-10F581PC24: Width Across Flats: 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN; Thread Series: UNIFIED NATIONAL COARSE (UNC); Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Thread Direction: RIGHT-HAND. 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.