The Nut,valve,stem, cataloged under National Stock Number 5310-01-155-0308, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is William Powell Company, the Dba Powell Valve Div the Starflo Corporation. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-155-0308 |
| Primary Part Number | 63F587791750000 |
| Item Name | Nut,valve,stem |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | William Powell Company, the Dba Powell Valve Div the Starflo Corporation |
| Status | ACTIVE |
| General Characteristics Item Description | MATERIAL,CRES,ASTM A276,TYPE 316,HEX HEAD,1.250 IN. W ACROSS FLATS,0.812 IN. H; INTERNALLY THD,1 IN. THD SIZE IN |
| 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 |
|---|---|
| 63F587791750000 PRIMARY | William Powell Company, the Dba Powell Valve Div the Starflo Corporation (USA) |
| Reference | Meaning |
|---|---|
| 58779 | 3/9 Design control — primary reference William Powell Company, the Dba Powell Valve Div the Starflo Corporation |
NSN 5310-01-155-0308 is a Nut,valve,stem, manufactured by William Powell Company, the Dba Powell Valve Div the Starflo Corporation, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-155-0308 has 1 manufacturer part number on file: 63F587791750000 (William Powell Company, the Dba Powell Valve Div the Starflo Corporation).
Key specifications for 63F587791750000: General Characteristics Item Description: MATERIAL,CRES,ASTM A276,TYPE 316,HEX HEAD,1.250 IN. W ACROSS FLATS,0.812 IN. H; INTERNALLY THD,1 IN. THD SIZE IN. 1 specification is 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.