The Screw,machine, cataloged under National Stock Number 5305-00-290-3051, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5305-00-290-3051 |
| Primary Part Number | 11FM12B1-4-20X5-8 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine |
| Status | CANCELLED |
| Internal Drive Style | SLOT |
| Head Height | 0.160 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Fastener Length | 0.625 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Head Diameter | 0.443 INCHES MINIMUM AND 0.472 INCHES MAXIMUM IN |
| Nondefinitive Spec/std Data | 1 TYPE AND 1S STYLE |
| Screw Material | COPPER ALLOY |
| Screw Material Document and Classification | QQ-W-321 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-B-613 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE |
| Thread Quantity Per Inch | 20 |
| Thread Length | 0.625 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Thread Class | 2A A |
| Head Style | ROUND |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 11FM12B1-4-20X5-8 | Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine (USA) |
| 50034 | Fyr-Fyter Co Inc (USA) |
| AN515UB416-10 | Aeronautical Standards Group Dept of Navy and Air Force (USA) |
| FFS92TYPE1STYLE1S | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| 113976 | Chrysler Realty Company Llc Dba Daimler Chrysler (USA) |
| 113976 | General Motors Corp (USA) |
NSN 5305-00-290-3051 is a Screw,machine, manufactured by Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine, classified under FSC 5305 (No Item Name Available). Status: cancelled.
NSN 5305-00-290-3051 has 6 cross-referenced part numbers: 11FM12B1-4-20X5-8 (Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine), 50034 (Fyr-Fyter Co Inc), AN515UB416-10 (Aeronautical Standards Group Dept of Navy and Air Force), FFS92TYPE1STYLE1S (Federal Specifications Promulgated by General Services Administration Washington DC), 113976 (Chrysler Realty Company Llc Dba Daimler Chrysler) and 1 more.
There are 12 known substitutes for 5305-00-290-3051: 2810-00-118-9893, 5815-00-228-6703, 5930-00-236-1807 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 11FM12B1-4-20X5-8: Internal Drive Style: SLOT; Head Height: 0.160 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Fastener Length: 0.625 INCHES NOMINAL IN. 14 total characteristics are documented in the Federal Logistics Information System.
NSN 5305-00-290-3051 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.