The Insert,screw Thread, cataloged under National Stock Number 5325-01-616-4653, 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15 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5325-01-616-4653 |
| Item Name | Insert,screw Thread |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Status | ACTIVE |
| Length | 0.297 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | SAE AMS2700 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.242 INCHES NOMINAL IN |
| Insert Size | 0.4375-14UNC-2A A |
| Style Designator | KEYLOCK |
| Material Document and Classification | SAE AMS5640 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A582/A528M ASSN STD 1ST MATERIAL RESPONSE OR SAE AMS5640 ASSN STD 2ND MATERIAL RESPONSE OR ASTM A582/A582M ASSN STD 2ND MATERIAL RESPONSE OR SAE AMS5738 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| Internal Thread Relief Depth | 0.060 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Full Internal Thread Length | 0.242 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 3B |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 303 OR STEEL COMP 303SE 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 |
|---|---|
| MS51832-201 | 2/2 Government specification standardization U.S. Government activity |
NSN 5325-01-616-4653 is a Insert,screw Thread, classified under FSC 5325, Fastening Devices. Status: active.
Key specifications for 5325-01-616-4653: Length: 0.297 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN; Surface Treatment Document and Classification: SAE AMS2700 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.242 INCHES NOMINAL IN; Insert Size: 0.4375-14UNC-2A A. 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.