The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-221-3502, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc. Government technical data includes 12 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-221-3502 |
| Primary Part Number | 42116-H |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc |
| Status | ACTIVE |
| Head Height | 0.188 INCHES NOMINAL IN |
| Fastener Length | 1.438 INCHES NOMINAL IN |
| Thread Length | 1.000 INCHES MINIMUM AND 1.438 INCHES MAXIMUM IN |
| Material Document and Classification | ASTM B21 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.500 INCHES NOMINAL IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 18 |
| Material | COPPER ALLOY 462 OR COPPER ALLOY 464 OR COPPER ALLOY 482 OR COPPER ALLOY 485 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| 42116-H PRIMARY | Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA) |
| 1305 ITEM 10 PRIMARY | Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA) |
| Reference | Meaning |
|---|---|
| 42116-K | C/1 Advisory reference — outside the item-of-supply concept Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc |
| 2665-P | C/1 Advisory reference — outside the item-of-supply concept Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc |
| 42116-G | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5305-01-221-3502 is a Screw,cap,hexagon Head, manufactured by Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-221-3502 has 2 manufacturer part numbers on file: 42116-H (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc), 1305 ITEM 10 (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc).
Key specifications for 42116-H: Head Height: 0.188 INCHES NOMINAL IN; Fastener Length: 1.438 INCHES NOMINAL IN; Thread Length: 1.000 INCHES MINIMUM AND 1.438 INCHES MAXIMUM IN; Material Document and Classification: ASTM B21 ASSN STD ALL MATERIAL RESPONSES OVERALL. 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.