The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-00-045-1988, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Fisher Controls Co Inc. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 19 commercial cross-references from 18 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5305-00-045-1988 |
| Primary Part Number | 1A3375 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Fisher Controls Co Inc |
| Status | CANCELLED |
| Thread Length | 1.250 INCHES MAXIMUM IN |
| Thread Quantity Per Inch | 14 |
| Nominal Thread Diameter | 0.438 INCHES IN |
| Hardness Rating | 23.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| Material | STEEL OVERALL |
| Minimum Yield Strength | 85000 POUNDS PER SQUARE INCH LBS |
| Material Document and Classification | SAE GR 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Nondefinitive Spec/std Data | 2 TYPE AND 10P STYLE |
| Thread Direction | RIGHT-HAND |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Surface Treatment Document and Classification | QQ-P-416,TY2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Fastener Length | 1.250 INCHES NOMINAL IN |
| Thread Class | 2A A |
| Minimum Tensile Strength | 120000 POUNDS PER SQUARE INCH LBS |
| Head Height | 0.272 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN |
| Head Style | HEXAGON |
| Width Between Flats | 0.612 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 251539 | Daf Trucks N.v. (NLD) |
| L6497-52 | Pettibone Llc (USA) |
| W100711-4HTCA | Waterous Company (USA) |
| 5305000451988 | E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 1A3375 PRIMARY | Fisher Controls Co Inc (USA) |
| FF-S-85 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| B10-47462 PRIMARY | Brunswick Corp Dba Mercury Marine Div Mercury Marine (USA) |
| 69869 | Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp. (USA) |
| 1C720J | Clark Material Handling Company (USA) |
| S204 | Paccar Winch Inc Dba Paccar Winch Division (USA) |
| 181139 PRIMARY | Chrysler Corp Service and Parts Opns (USA) |
| MS90725-87 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| MS90725-87 PRIMARY | National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA) |
| RE20-106 | Gardner Denver Inc. (USA) |
| 800-1072 | Cummins Power Generation Inc. (USA) |
| R473 PRIMARY | Curtis-Toledo, Inc. (USA) |
| 1C720J | Clark Equipment Co (USA) |
| W1007-20HTCA PRIMARY | Waterous Company (USA) |
| 70009-87 | Little Giant Crane and Shovel Inc (USA) |
NSN 5305-00-045-1988 is a Screw,cap,hexagon Head, manufactured by Fisher Controls Co Inc, classified under FSC 5305 (No Item Name Available). Status: cancelled.
NSN 5305-00-045-1988 has 19 cross-referenced part numbers: 251539 (Daf Trucks N.v.), L6497-52 (Pettibone Llc), W100711-4HTCA (Waterous Company), 5305000451988 (E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales), 1A3375 (Fisher Controls Co Inc) and 14 more.
There are 9 known substitutes for 5305-00-045-1988: 5340-00-052-1951, 5305-00-071-1788, 5310-00-437-9434 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for 1A3375: Thread Length: 1.250 INCHES MAXIMUM IN; Thread Quantity Per Inch: 14; Nominal Thread Diameter: 0.438 INCHES IN; Hardness Rating: 23.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL. 18 total characteristics are documented in the Federal Logistics Information System.
NSN 5305-00-045-1988 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.