The Fastener,panel, cataloged under National Stock Number 5325-00-443-0673, 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 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5325-00-443-0673 |
| Primary Part Number | 6255CSS2520 |
| Item Name | Fastener,panel |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware |
| Status | ACTIVE |
| General Characteristics Item Description | CRES,PASSIVATED,0.437 IN. LG,0.500 IN. OD,0.125 IN. LG SHOULDER,0.250-20 UNC 2B THD,0.119 IN. MIN 0.156 IN. MAX PANEL THK ACCOMMODATED 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 |
|---|---|
| 6255CSS2520 PRIMARY | Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware (USA) |
| 40R24-H07-F09 | Unicorp. (USA) |
| Reference | Meaning |
|---|---|
| GR531D04S125 | 7/2 Vendor item drawing reference Northrop Grumman Systems Corporation |
| 6255CSS2520 | 5/9 Secondary reference New Haven Mfg Corp Amatom Electronic Hardware Div |
NSN 5325-00-443-0673 is a Fastener,panel, manufactured by Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-443-0673 has 2 manufacturer part numbers on file: 6255CSS2520 (Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware), 40R24-H07-F09 (Unicorp.).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-419-1018. Verify interchangeability with system specifications before substitution.
Key specifications for 6255CSS2520: General Characteristics Item Description: CRES,PASSIVATED,0.437 IN. LG,0.500 IN. OD,0.125 IN. LG SHOULDER,0.250-20 UNC 2B THD,0.119 IN. MIN 0.156 IN. MAX PANEL THK ACCOMMODATED IN. 1 specification is 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.