The Insert,screw Thread, cataloged under National Stock Number 5325-01-034-3035, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Rolls-Royce Plc Div Defense (europe). Government technical data includes 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-034-3035 |
| Primary Part Number | B372018L4 |
| Item Name | Insert,screw Thread |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Rolls-Royce Plc Div Defense (europe) |
| Status | ACTIVE |
| Flange Diameter | 0.325 INCHES NOMINAL IN |
| Length | 0.540 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | TN1006 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.540 INCHES NOMINAL IN |
| Insert Size | 3/8 INCH DIAMETER IN |
| Style Designator | KEYLOCK |
| Material Document and Classification | BS247 OR BS251 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.3772 INCHES IN |
| Top Unthreaded Portion Outside Diameter | 0.325 INCHES NOMINAL IN |
| Full Internal Thread Length | 0.540 INCHES NOMINAL IN |
| Top Portion Unthreaded Outside Length | 0.040 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 24 |
| Material | COPPER ALLOY OVERALL |
| Thread Series Designator | UNS |
| 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 |
|---|---|
| B372018L4 PRIMARY | Rolls-Royce Plc Div Defense (europe) (GBR) |
| Reference | Meaning |
|---|---|
| B372018L4 | 5/9 Secondary reference Rolls-Royce Inc |
NSN 5325-01-034-3035 is a Insert,screw Thread, manufactured by Rolls-Royce Plc Div Defense (europe), classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-034-3035 has 1 manufacturer part number on file: B372018L4 (Rolls-Royce Plc Div Defense (europe)).
Key specifications for B372018L4: Flange Diameter: 0.325 INCHES NOMINAL IN; Length: 0.540 INCHES NOMINAL IN; Surface Treatment Document and Classification: TN1006 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.540 INCHES NOMINAL IN. 17 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.