The Insert,screw Thread, cataloged under National Stock Number 5325-01-265-1280, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Ara, Inc. Government technical data includes 11 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 | 5325-01-265-1280 |
| Primary Part Number | B3838-1 |
| Item Name | Insert,screw Thread |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Ara, Inc |
| Status | ACTIVE |
| Flange Diameter | 0.625 INCHES NOMINAL IN |
| Length | 0.550 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Flange Thickness | 0.080 INCHES NOMINAL IN |
| Insert Size | 0.500 IN. DIA IN |
| Style Designator | FLANGE |
| Nominal Thread Size | 0.312 INCHES IN |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 3B |
| Thread Quantity Per Inch | 24 |
| Thread Series Designator | UNF |
| 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 |
|---|---|
| B3838-1 PRIMARY | Ara, Inc (USA) |
NSN 5325-01-265-1280 is a Insert,screw Thread, manufactured by Ara, Inc, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-265-1280 has 1 manufacturer part number on file: B3838-1 (Ara, Inc).
Key specifications for B3838-1: Flange Diameter: 0.625 INCHES NOMINAL IN; Length: 0.550 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Flange Thickness: 0.080 INCHES NOMINAL IN. 11 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.