The Insert,panel Fastener, cataloged under National Stock Number 5325-01-303-0990, is classified within Federal Supply Class 5325 (Fastening Devices) 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 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-303-0990 |
| Primary Part Number | 6307D-SS-2528 |
| Item Name | Insert,panel Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware |
| Status | ACTIVE |
| Flange Diameter | 0.531 INCHES NOMINAL0.531 INCHES NOMINAL IN |
| Material Accommodated Thickness | 0.171 INCHES MINIMUM AND 0.171 INCHES MINIMUM AND 0.203 INCHES MAXIMUM0.203 INCHES MAXIMUM IN |
| Hole Diameter | 0.375 INCHES NOMINAL0.375 INCHES NOMINAL IN |
| Shoulder Diameter | 0.433 INCHES NOMINAL0.433 INCHES NOMINAL IN |
| Material | STEEL COMP 303 OR STEEL COMP 303SE OVERALL |
| Thread Size and Series/type Designator | 1.250-28 UNF |
| Hole Type | THREADED-COUNTERBOREDTHREADED-COUNTERBORED |
| 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 |
|---|---|
| 6307D-SS-2528 PRIMARY | Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware (USA) |
| Reference | Meaning |
|---|---|
| 6307D-SS-2528 | 5/9 Secondary reference New Haven Mfg Corp Amatom Electronic Hardware Div |
NSN 5325-01-303-0990 is a Insert,panel Fastener, manufactured by Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-303-0990 has 1 manufacturer part number on file: 6307D-SS-2528 (Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware).
Key specifications for 6307D-SS-2528: Flange Diameter: 0.531 INCHES NOMINAL0.531 INCHES NOMINAL IN; Material Accommodated Thickness: 0.171 INCHES MINIMUM AND 0.171 INCHES MINIMUM AND 0.203 INCHES MAXIMUM0.203 INCHES MAXIMUM IN; Overall Length: 0.625 INCHES NOMINAL0.625 INCHES NOMINAL IN; Hole Diameter: 0.375 INCHES NOMINAL0.375 INCHES NOMINAL IN. 7 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.