The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-481-8604, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Hunt Valve Company, Inc.. Government technical data includes 2 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5310-01-481-8604 |
| Primary Part Number | A48567MZZ |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Hunt Valve Company, Inc. |
| Status | ACTIVE |
| Material Document and Classification | ASTM B21 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Material | COPPER ALLOY 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 |
|---|---|
| A48567MZZ PRIMARY | Hunt Valve Company, Inc. (USA) |
| D48671 ITEM 18 | Hunt Valve Company, Inc. (USA) |
| Reference | Meaning |
|---|---|
| A48567MZZ | 3/9 Design control — primary reference Hunt Valve Company Inc Dba Union Flonetics |
| D48671 ITEM 18 | 5/9 Secondary reference Hunt Valve Company Inc Dba Union Flonetics |
| D48671 | D/9 Drawing number reference only Hunt Valve Company Inc Dba Union Flonetics |
| A48567MBF | 5/9 Secondary reference Hunt Valve Company Inc Dba Union Flonetics |
NSN 5310-01-481-8604 is a Nut,plain,hexagon, manufactured by Hunt Valve Company, Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-481-8604 has 2 manufacturer part numbers on file: A48567MZZ (Hunt Valve Company, Inc.), D48671 ITEM 18 (Hunt Valve Company, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-482-2538. Verify interchangeability with system specifications before substitution.
Key specifications for A48567MZZ: Material Document and Classification: ASTM B21 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; End Item Identification: VALVE,RELIEF:TARAWA CLASS LHA; Material: COPPER ALLOY OVERALL. 2 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.