The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-238-7339, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd. Government technical data includes 2 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-238-7339 |
| Primary Part Number | 510F021PC51 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd |
| Status | ACTIVE |
| Criticality Code Justification | ZZZW |
| Departure From Cited Document | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 510F021PC51 | Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd (USA) |
| Reference | Meaning |
|---|---|
| 50P01005-2917 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 6894422 ITEM NO 142 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| E108186 PART NO 250 | C/1 Advisory reference — outside the item-of-supply concept Control Flow, Inc. Dba Westech Heavy Machinery Division Div Westech Heavy Machinery Division |
| 5305PL0790915 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 900J752PC105 | 5/1 Secondary reference Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd |
| MS90725-111 | 5/9 Secondary reference U.S. Government activity |
| MS90725-111 | 3/1 Design control — primary reference U.S. Government activity |
NSN 5305-01-238-7339 is a Screw,cap,hexagon Head, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-238-7339 has 1 manufacturer part number on file: 510F021PC51 (Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd).
Key specifications for 510F021PC51: Criticality Code Justification: ZZZW; Departure From Cited Document: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS. 2 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.