The Washer,flat, cataloged under National Stock Number 5310-00-637-4000, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Hobart Bros Co. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 16 commercial cross-references from 13 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5310-00-637-4000 |
| Primary Part Number | W11242-3 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Hobart Bros Co |
| Status | CANCELLED |
| Cross-Sectional Shape Style | RECTANGULAR |
| Overall Diameter | 0.625 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Thickness | 0.031 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Surface Treatment | CADMIUM OVERALL |
| Hole Diameter | 0.203 INCHES NOMINAL IN |
| Peripheral Shape Style | ROUND |
| Center Hole Shape Style | ROUND |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| W11242-3 PRIMARY | Hobart Bros Co (USA) |
| A864-50893G1 PRIMARY | Dcm Manufacturing, Inc. (USA) |
| S-4281 | Synterials Inc. (USA) |
| 97440 | Federal Screw Products, Inc. (USA) |
| S1450-3-10-032 PRIMARY | Textron Aviation Inc (USA) |
| S428-1 | Northrop Grumman Systems Corporation (USA) |
| TD340B | Engineered Air Systems, Inc. Dba Drs Sustainment Systems (USA) |
| S18262-22 | Heinz Mueller Electrical Co Inc (USA) |
| P5358 PRIMARY | Flexible Technologies Inc (USA) |
| TD340 PRIMARY | Hdt Expeditionary Systems Inc (USA) |
| TD340 | Drs Environmental Systems Inc (USA) |
| TD340 | Engineered Air Systems, Inc. Dba Drs Sustainment Systems (USA) |
| S1450-3-10-032 | Cessna Aircraft Company Dba Textron Aviation (USA) |
| TD340B | Hdt Expeditionary Systems Inc (USA) |
| 62210 | Bergstrom Inc (USA) |
| TD340B | Drs Environmental Systems Inc (USA) |
NSN 5310-00-637-4000 is a Washer,flat, manufactured by Hobart Bros Co, classified under FSC 5310 (No Item Name Available). Status: cancelled.
NSN 5310-00-637-4000 has 16 cross-referenced part numbers: W11242-3 (Hobart Bros Co), A864-50893G1 (Dcm Manufacturing, Inc.), S-4281 (Synterials Inc.), 97440 (Federal Screw Products, Inc.), S1450-3-10-032 (Textron Aviation Inc) and 11 more.
There are 8 known substitutes for 5310-00-637-4000: 4110-00-107-2845, 4820-00-136-4561, 5940-00-156-7373 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for W11242-3: Cross-Sectional Shape Style: RECTANGULAR; Overall Diameter: 0.625 INCHES NOMINAL IN; Material: STEEL OVERALL; Thickness: 0.031 INCHES NOMINAL IN. 9 total characteristics are documented in the Federal Logistics Information System.
NSN 5310-00-637-4000 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.