The Receptacle,turnlock Fastener, cataloged under National Stock Number 5325-00-771-3340, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc. Div Tridair Products. Government technical data includes 9 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-771-3340 |
| Primary Part Number | CA1787 |
| Item Name | Receptacle,turnlock Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Howmet Global Fastening Systems Inc. Div Tridair Products |
| Status | ACTIVE |
| Receptacle Overall Length | 1.125 INCHES NOMINAL IN |
| Receptacle Thread Size and Series/type Designator | 0.250-28 UNIFIED NATIONAL COARSE (UNC) |
| Center to Center Distance Between Mounting Holes | 0.870 INCHES MINIMUM AND 0.880 INCHES MAXIMUM IN |
| Mounting Style | FLOATING NUT |
| Turnlock Receptacle Style | NONFLOATING |
| Receptacle Width | 0.560 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Receptacle Height | 0.780 INCHES NOMINAL IN |
| Material | STEEL 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 |
|---|---|
| CA1787 | Fairchild Fasteners Uk Ltd (GBR) |
| CA1787 PRIMARY | Howmet Global Fastening Systems Inc. Div Tridair Products (USA) |
| Reference | Meaning |
|---|---|
| 483648-1 | C/1 Advisory reference — outside the item-of-supply concept Raytheon Company Dba Raytheon Co |
| 483648-1 | 5/9 Secondary reference Raytheon Company Div Corp |
| GR520AS1 | 7/2 Vendor item drawing reference Northrop Grumman Systems Corporation |
| 25P-FS00-400-DOO | 5/9 Secondary reference S T C Telecommunications Ltd |
NSN 5325-00-771-3340 is a Receptacle,turnlock Fastener, manufactured by Howmet Global Fastening Systems Inc. Div Tridair Products, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-771-3340 has 2 manufacturer part numbers on file: CA1787 (Fairchild Fasteners Uk Ltd), CA1787 (Howmet Global Fastening Systems Inc. Div Tridair Products).
Key specifications for CA1787: Receptacle Overall Length: 1.125 INCHES NOMINAL IN; Receptacle Thread Size and Series/type Designator: 0.250-28 UNIFIED NATIONAL COARSE (UNC); Center to Center Distance Between Mounting Holes: 0.870 INCHES MINIMUM AND 0.880 INCHES MAXIMUM IN; Mounting Style: FLOATING NUT. 9 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.