The Stud,plain, cataloged under National Stock Number 5307-01-422-3657, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Carver Pump Company. Government technical data includes 12 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-01-422-3657 |
| Primary Part Number | 820-0375-20-900 |
| Item Name | Stud,plain |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Carver Pump Company |
| Status | ACTIVE |
| Thread Length | 0.500 INCHES NOMINAL STUD THREAD IN |
| Thread Length | 1.750 INCHES NOMINAL NUT THREAD IN |
| Material Document and Classification | QQ-N-281, CLASS A FED SPEC SINGLE MATERIAL RESPONSE |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.375 INCHES STUD THREAD IN |
| Nominal Thread Size | 0.375 INCHES NUT THREAD IN |
| Thread Quantity Per Inch | 16 NUT THREAD |
| Thread Quantity Per Inch | 16 STUD THREAD |
| Material | NICKEL ALLOY 400 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) STUD THREAD |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) NUT THREAD |
| 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 |
|---|---|
| 820-0375-20-900 PRIMARY | Carver Pump Company (USA) |
| Reference | Meaning |
|---|---|
| 3/8-16UNC X 2 1 /2" LG | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| N-999-6082-A-007 ITEM 22 | 5/9 Secondary reference Carver Pump Company |
NSN 5307-01-422-3657 is a Stud,plain, manufactured by Carver Pump Company, classified under FSC 5307, Studs. Status: active.
NSN 5307-01-422-3657 has 1 manufacturer part number on file: 820-0375-20-900 (Carver Pump Company).
Key specifications for 820-0375-20-900: Thread Length: 0.500 INCHES NOMINAL STUD THREAD IN; Thread Length: 1.750 INCHES NOMINAL NUT THREAD IN; Material Document and Classification: QQ-N-281, CLASS A FED SPEC SINGLE MATERIAL RESPONSE; Overall Length: 2.500 INCHES NOMINAL IN. 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.