The Screw,machine, cataloged under National Stock Number 5305-01-378-7263, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Ametek, Inc. Div Aerospace & Defense. Government technical data includes 15 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-378-7263 |
| Primary Part Number | AH-1201-HJ |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Ametek, Inc. Div Aerospace & Defense |
| Status | ACTIVE |
| Screw Surface Treatment | PASSIVATE |
| Fastener Length | 0.218 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Screw Material Document and Classification | ASTM A276 UNS S30400 CD A ASSN STD SINGLE MATERIAL RESPONSE |
| Thread Length | 0.120 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.112 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL CORROSION RESISTING |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Countersink Angle | 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 40 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.210 INCHES NOMINAL IN |
| Screw Surface Treatment Document and Classification | SAE-AMS-QQ-P-35 NATIONAL SPEC SINGLE TREATMENT RESPONSE |
| 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 |
|---|---|
| AH-1201-HJ PRIMARY | Ametek, Inc. Div Aerospace & Defense (USA) |
NSN 5305-01-378-7263 is a Screw,machine, manufactured by Ametek, Inc. Div Aerospace & Defense, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-378-7263 has 1 manufacturer part number on file: AH-1201-HJ (Ametek, Inc. Div Aerospace & Defense).
Key specifications for AH-1201-HJ: Screw Surface Treatment: PASSIVATE; Fastener Length: 0.218 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN; Screw Material Document and Classification: ASTM A276 UNS S30400 CD A ASSN STD SINGLE MATERIAL RESPONSE; Thread Length: 0.120 INCHES NOMINAL IN. 15 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.