The Screw,machine, cataloged under National Stock Number 5305-01-406-9165, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 10 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-406-9165 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Head Height | 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN |
| Screw Surface Treatment | PASSIVATE |
| Fastener Length | 0.500 INCHES NOMINAL IN |
| Screw Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE |
| Thread Length | 0.500 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.164 INCHES IN |
| Head Style | PAN |
| Thread Direction | RIGHT-HAND |
| Nondefinitive Spec/std Data | 3 TYPE AND 9C STYLE |
| Screw Material | STEEL COMP 316 |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.306 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN |
| Screw Surface Treatment Document and Classification | QQ-P-35 FED 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 |
| Reference | Meaning |
|---|---|
| MS51957-45 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 15A00404-0000 ITEM NO 98 | C/1 Advisory reference — outside the item-of-supply concept Louis Allis Co the This Company Has Gone Bankrupt and Has Been Purchased by 3 Companies |
| 310-08084 | C/1 Advisory reference — outside the item-of-supply concept Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division |
| 50P01103-1307 | C/1 Advisory reference — outside the item-of-supply concept Louis Allis Co the This Company Has Gone Bankrupt and Has Been Purchased by 3 Companies |
| 14A00406-0000 ITEM NO 76 | C/1 Advisory reference — outside the item-of-supply concept Louis Allis Co the This Company Has Gone Bankrupt and Has Been Purchased by 3 Companies |
| MS51957-45 | 4/1 Identification reference U.S. Government activity |
| 5746891 PAT 16 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| 5746891 PART 16 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| 15A00404-0000 ITEM NO 98 | C/1 Advisory reference — outside the item-of-supply concept Frautschi and Monney |
| 14A00406-0000 I | C/1 Advisory reference — outside the item-of-supply concept Hsi Electric, Inc. |
NSN 5305-01-406-9165 is a Screw,machine, classified under FSC 5305, Screws. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5305-01-523-0202. Verify interchangeability with system specifications before substitution.
Key specifications for 5305-01-406-9165: Head Height: 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN; Screw Surface Treatment: PASSIVATE; Fastener Length: 0.500 INCHES NOMINAL IN; Screw Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE. 16 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.