The Stud,plain, cataloged under National Stock Number 5307-01-486-5251, 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 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-01-486-5251 |
| Primary Part Number | 999-1107-D-01 ITEM 630 |
| Item Name | Stud,plain |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Carver Pump Company |
| Status | ACTIVE |
| Thread Direction | RIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED |
| Nominal Thread Size | 0.500 INCHES LOCATION NOT OTHERWISE SPECIFIED IN |
| Thread Quantity Per Inch | 13 LOCATION NOT OTHERWISE SPECIFIED |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) LOCATION NOT OTHERWISE SPECIFIED |
| 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 |
|---|---|
| 820-0500-16-201 | Carver Pump Company (USA) |
| 999-1107-D-01 ITEM 630 PRIMARY | Carver Pump Company (USA) |
| Reference | Meaning |
|---|---|
| 999-1107-D-01 | D/9 Drawing number reference only Carver Pump Company |
| 820-0500-16C201 | 5/9 Secondary reference Carver Pump Company |
NSN 5307-01-486-5251 is a Stud,plain, manufactured by Carver Pump Company, classified under FSC 5307, Studs. Status: active.
NSN 5307-01-486-5251 has 2 manufacturer part numbers on file: 820-0500-16-201 (Carver Pump Company), 999-1107-D-01 ITEM 630 (Carver Pump Company).
5 possible matches (shared part number, not a government interchangeability claim): 4320-01-489-5427, 4320-01-489-5430, 4320-01-489-5436. Verify interchangeability with system specifications before substitution.
Key specifications for 999-1107-D-01 ITEM 630: Overall Length: 2.000 INCHES NOMINAL IN; Thread Direction: RIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED; Nominal Thread Size: 0.500 INCHES LOCATION NOT OTHERWISE SPECIFIED IN; Thread Quantity Per Inch: 13 LOCATION NOT OTHERWISE SPECIFIED. 4 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.