The Washer,shouldered, cataloged under National Stock Number 5310-00-275-9193, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Frederick Custom Machining Inc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-275-9193 |
| Primary Part Number | 231H |
| Item Name | Washer,shouldered |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Frederick Custom Machining Inc |
| Status | ACTIVE |
| Shoulder Diameter | 2.0610 INCHES MINIMUM AND 2.0615 INCHES MAXIMUM IN |
| Shoulder Height | 0.250 INCHES NOMINAL IN |
| Material | COPPER ALLOY OVERALL |
| Material Thickness | 0.125 INCHES NOMINAL IN |
| Hole Diameter | 1.688 INCHES NOMINAL IN |
| Surface Finish | 32.0 MICROINCHES ALL SURFACES |
| Outside Diameter | 2.281 INCHES NOMINAL IN |
| Style Designator | SHOULDERED |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 28460D PIECE 23 | Frederick Custom Machining Inc (USA) |
| 231H PRIMARY | Frederick Custom Machining Inc (USA) |
NSN 5310-00-275-9193 is a Washer,shouldered, manufactured by Frederick Custom Machining Inc, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-00-275-9193 has 2 cross-referenced part numbers: 28460D PIECE 23 (Frederick Custom Machining Inc), 231H (Frederick Custom Machining Inc).
There are 2 known substitutes for 5310-00-275-9193: 6125-00-539-8795, 4020-01-446-4647. Verify interchangeability with system specifications before substitution.
Key specifications for 231H: Shoulder Diameter: 2.0610 INCHES MINIMUM AND 2.0615 INCHES MAXIMUM IN; Shoulder Height: 0.250 INCHES NOMINAL IN; Material: COPPER ALLOY OVERALL; Material Thickness: 0.125 INCHES NOMINAL IN. 8 total characteristics are documented in the Federal Logistics Information System.