The Insert,screw Thread, cataloged under National Stock Number 5325-00-998-3264, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Rapid Rivet and Fastener Corporation Dba Rapid Rivet & Fastener Corp. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5325-00-998-3264 |
| Primary Part Number | D1420 |
| Item Name | Insert,screw Thread |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Rapid Rivet and Fastener Corporation Dba Rapid Rivet & Fastener Corp |
| Status | ACTIVE |
| Width Across Flats | 0.740 INCHES NOMINAL IN |
| Length | 0.809 INCHES MINIMUM AND 0.849 INCHES MAXIMUM IN |
| Flange Thickness | 0.172 INCHES MINIMUM AND 0.202 INCHES MAXIMUM IN |
| Insert Size | 0.500 IN. DIA IN |
| Style Designator | FLANGE |
| Features Provided | INDIVIDUALLY KEYED |
| Nominal Thread Size | 0.250 INCHES IN |
| Thread Quantity Per Inch | 20 |
| 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 |
|---|---|
| D1420 | Rapid Rivet and Fastener Corporation Dba Rapid Rivet & Fastener Corp (USA) |
| Reference | Meaning |
|---|---|
| D1420 | 3/9 Design control — primary reference Usm Corp Sub of Emhart Industries Inc Molly Fastener Div |
| W06-109332-001 | 5/9 Secondary reference U.S. Government activity |
NSN 5325-00-998-3264 is a Insert,screw Thread, manufactured by Rapid Rivet and Fastener Corporation Dba Rapid Rivet & Fastener Corp, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-998-3264 has 1 manufacturer part number on file: D1420 (Rapid Rivet and Fastener Corporation Dba Rapid Rivet & Fastener Corp).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-691-9517. Verify interchangeability with system specifications before substitution.
Key specifications for D1420: Width Across Flats: 0.740 INCHES NOMINAL IN; Length: 0.809 INCHES MINIMUM AND 0.849 INCHES MAXIMUM IN; Flange Thickness: 0.172 INCHES MINIMUM AND 0.202 INCHES MAXIMUM IN; Insert Size: 0.500 IN. DIA 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.