The Insert,screw Thread, cataloged under National Stock Number 5325-00-772-1305, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems. Government technical data includes 9 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-772-1305 |
| Primary Part Number | 543-3661-002 |
| Item Name | Insert,screw Thread |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
| Status | ACTIVE |
| Width Across Flats | 0.414 INCHES MINIMUM AND 0.434 INCHES MAXIMUM IN |
| Length | 0.231 INCHES NOMINAL IN |
| Flange Thickness | 0.075 INCHES NOMINAL IN |
| Insert Size | 0.250 IN. NOM IN |
| Style Designator | FLANGE |
| Features Provided | INDIVIDUALLY KEYED |
| Nominal Thread Size | 0.164 INCHES IN |
| Thread Quantity Per Inch | 32 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| 543-3661-002 PRIMARY | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA) |
NSN 5325-00-772-1305 is a Insert,screw Thread, manufactured by Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-772-1305 has 1 manufacturer part number on file: 543-3661-002 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems).
Key specifications for 543-3661-002: Width Across Flats: 0.414 INCHES MINIMUM AND 0.434 INCHES MAXIMUM IN; Length: 0.231 INCHES NOMINAL IN; Flange Thickness: 0.075 INCHES NOMINAL IN; Insert Size: 0.250 IN. NOM IN. 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.