The Insert,screw Thread, cataloged under National Stock Number 5325-01-497-8331, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Rolls Royce Corp. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-497-8331 |
| Primary Part Number | MS21209F4-15P |
| Item Name | Insert,screw Thread |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Rolls Royce Corp |
| Status | ACTIVE |
| Length | 0.375 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-416, TYPE II, EXCEPT THE THICKNESS SHALL BE A MINIMUM OF 0.0001 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 1.500 INCHES NOMINAL IN |
| Insert Size | 0.250-28 |
| Criticality Code Justification | AGAV |
| Style Designator | COIL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Surface Treatment | CADMIUM OVERALL |
| Thread Quantity Per Inch | 28 |
| Material | STEEL CORROSION RESISTING OVERALL |
| 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 | Y |
| Part Number | Manufacturer |
|---|---|
| P901386-4 | Rolls Royce Corp (USA) |
| MS21209F4-15P PRIMARY | Rolls Royce Corp (USA) |
| Reference | Meaning |
|---|---|
| 5325PL0960867 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5325-01-497-8331 is a Insert,screw Thread, manufactured by Rolls Royce Corp, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-497-8331 has 2 manufacturer part numbers on file: P901386-4 (Rolls Royce Corp), MS21209F4-15P (Rolls Royce Corp).
Key specifications for MS21209F4-15P: Length: 0.375 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-416, TYPE II, EXCEPT THE THICKNESS SHALL BE A MINIMUM OF 0.0001 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 1.500 INCHES NOMINAL IN; Insert Size: 0.250-28. 12 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.