The Screw,machine, cataloged under National Stock Number 5305-00-145-6971, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Department of the Air Force. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 10 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5305-00-145-6971 |
| Primary Part Number | AC503-8-6 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Department of the Air Force |
| Status | CANCELLED |
| Screw Material Document and Classification | MIL-S-6050 MIL SPEC SINGLE MATERIAL RESPONSE OR AN-S-9 MIL STD SINGLE MATERIAL RESPONSE |
| Head Style | FILLISTER |
| Minimum Tensile Strength | 125000 POUNDS PER SQUARE INCH LBS |
| Thread Direction | RIGHT-HAND |
| Head Diameter | 0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN |
| Thread Length | 0.219 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN |
| Hole Diameter | 0.046 INCHES NOMINAL IN |
| Thread Class | 3A A |
| Head Height | 0.106 INCHES MINIMUM AND 0.113 INCHES MAXIMUM IN |
| Head Hole Configuration Style | ROUND |
| Nominal Thread Diameter | 0.164 INCHES IN |
| Screw Surface Treatment | CADMIUM |
| Hole Quantity | 1 |
| Fastener Length | 0.375 INCHES NOMINAL IN |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Thread Quantity Per Inch | 32 |
| Screw Surface Treatment Document and Classification | QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE |
| Hardness Rating | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Screw Material | STEEL COMP 8630 |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| AC503-8-6 | Department of the Air Force (USA) |
| 470100 | Stewart-Warner Corporation (USA) |
| TX90046-1 | Eaton Corp Dba Eaton Aerospace Jackson (USA) |
| 78322 | Honeywell International Inc Div Aerospace-South Bend (bendix Dr) (USA) |
| 5305PL0708157 | Jednolity Indeks Materialowy - Uniform Material Index (POL) |
| AN503-8-6 | Air Force-Navy Aeronautical Specifications Promulgated by Aeronautical Standards Group |
| TX90046-11 | Eaton Corp Dba Eaton Aerospace Jackson (USA) |
| AN503-8-6 | Aeronautical Standards Group Dept of Navy and Air Force (USA) |
| 78372 | Honeywell International Inc Div Aerospace-South Bend (bendix Dr) (USA) |
| A1635-36 | Cessna Aircraft Co Mccauley Accessory Div (USA) |
| A3164 | Triumph Engine Control Systems Llc (USA) |
| 878322 | Honeywell International Inc. Dba Honeywell Div Aerospace-South Bend (westmoor St) (USA) |
| 878372 | Honeywell International Inc. Dba Honeywell Div Aerospace-South Bend (westmoor St) (USA) |
NSN 5305-00-145-6971 is a Screw,machine, manufactured by Department of the Air Force, classified under FSC 5305 (No Item Name Available). Status: cancelled.
NSN 5305-00-145-6971 has 13 cross-referenced part numbers: AC503-8-6 (Department of the Air Force), 470100 (Stewart-Warner Corporation), TX90046-1 (Eaton Corp Dba Eaton Aerospace Jackson), 78322 (Honeywell International Inc Div Aerospace-South Bend (bendix Dr)), 5305PL0708157 (Jednolity Indeks Materialowy - Uniform Material Index) and 8 more.
There are 10 known substitutes for 5305-00-145-6971: 1610-00-532-1412, 5420-00-541-2534, 5950-00-601-9591 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for AC503-8-6: Screw Material Document and Classification: MIL-S-6050 MIL SPEC SINGLE MATERIAL RESPONSE OR AN-S-9 MIL STD SINGLE MATERIAL RESPONSE; Head Style: FILLISTER; Minimum Tensile Strength: 125000 POUNDS PER SQUARE INCH LBS; Thread Direction: RIGHT-HAND. 20 total characteristics are documented in the Federal Logistics Information System.
NSN 5305-00-145-6971 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.