The Washer,split, cataloged under National Stock Number 5310-00-448-7466, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5310-00-448-7466 |
| Primary Part Number | 4382-7-SS-7 |
| Item Name | Washer,split |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware |
| Status | ACTIVE |
| Style Designator | SPLIT |
| Outside Diameter | 0.328 INCHES NOMINAL IN |
| Material Thickness | 0.012 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING OVERALL |
| Hole Diameter | 0.204 INCHES NOMINAL IN |
| 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 |
|---|---|
| 226-07-SS | Promptus Electonic Hardware Inc (USA) |
| 4382-7-SS | Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware (USA) |
| 10690856-7 | Us Army Aviation and Missile Command (USA) |
| 4382-7-SS-7 PRIMARY | Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware (USA) |
| Reference | Meaning |
|---|---|
| 135015PC158 | 5/2 Secondary reference U.S. Government activity |
| 161790 | 7/2 Vendor item drawing reference Northrop Grumman Systems Corporation |
| 11309315-2 | 5/9 Secondary reference Ballistic Missile Defense Systems Command |
| 4382-7-SS-7 | 5/9 Secondary reference New Haven Mfg Corp Amatom Electronic Hardware Div |
| 4382-7-SS | 5/9 Secondary reference New Haven Mfg Corp Amatom Electronic Hardware Div |
| 4765017-007 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5310-00-448-7466 is a Washer,split, manufactured by Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-448-7466 has 4 manufacturer part numbers on file: 226-07-SS (Promptus Electonic Hardware Inc), 4382-7-SS (Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware), 10690856-7 (Us Army Aviation and Missile Command), 4382-7-SS-7 (Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware).
1 possible match (shared part number, not a government interchangeability claim): 6150-01-663-6910. Verify interchangeability with system specifications before substitution.
Key specifications for 4382-7-SS-7: Style Designator: SPLIT; Outside Diameter: 0.328 INCHES NOMINAL IN; Material Thickness: 0.012 INCHES NOMINAL IN; Material: STEEL CORROSION RESISTING OVERALL. 5 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.