The Insert,screw Thread, cataloged under National Stock Number 5325-01-656-2195, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-656-2195 |
| Item Name | Insert,screw Thread |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Status | ACTIVE |
| Flange Diameter | 0.424 INCHES NOMINAL IN |
| Length | 0.297 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | AS5272 TYPE 1 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Insert Size | 0.375 |
| Style Designator | KEYLOCK |
| Material Document and Classification | AMS 6349 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 6382 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 8740 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Features Provided | INTERNAL THREAD LOCKING AND KEYED ALIKE |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Top Unthreaded Portion Outside Diameter | 0.344 INCHES NOMINAL IN |
| Surface Treatment | LUBRICANT OVERALL |
| Thread Class | 3B |
| Thread Quantity Per Inch | 32 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| MS51832CA201L | 2/2 Government specification standardization U.S. Government activity |
NSN 5325-01-656-2195 is a Insert,screw Thread, classified under FSC 5325, Fastening Devices. Status: active.
Key specifications for 5325-01-656-2195: Flange Diameter: 0.424 INCHES NOMINAL IN; Length: 0.297 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN; Surface Treatment Document and Classification: AS5272 TYPE 1 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Insert Size: 0.375. 15 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.