The Washer,flat, cataloged under National Stock Number 5310-00-377-0251, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Lockheed Martin Corporation Div Rms - Mitchel Field. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-377-0251 |
| Primary Part Number | 111822 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Lockheed Martin Corporation Div Rms - Mitchel Field |
| Status | ACTIVE |
| Thickness | 0.064 INCHES NOMINAL IN |
| Departure From Cited Designator | AS MODIFIED BY OD |
| Hole Diameter | 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN |
| Overall Diameter | 1.250 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | RECTANGULAR |
| Material | COPPER ALLOY 11 OVERALL |
| Nondefinitive Spec/std Data | A TYPE AND 2 GRADE AND E CLASS |
| Center Hole Shape Style | ROUND |
| Material Document and Classification | QQ-B-613 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Peripheral Shape Style | ROUND |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 111822 PRIMARY | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| FFW92TYPEAGRADE2CLASSE | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
NSN 5310-00-377-0251 is a Washer,flat, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-00-377-0251 has 2 cross-referenced part numbers: 111822 (Lockheed Martin Corporation Div Rms - Mitchel Field), FFW92TYPEAGRADE2CLASSE (Federal Specifications Promulgated by General Services Administration Washington DC).
There are 12 known substitutes for 5310-00-377-0251: 5310-00-167-0702, 5310-00-199-4587, 5310-00-205-9345 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 111822: Thickness: 0.064 INCHES NOMINAL IN; Departure From Cited Designator: AS MODIFIED BY OD; Hole Diameter: 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN; Overall Diameter: 1.250 INCHES NOMINAL IN. 10 total characteristics are documented in the Federal Logistics Information System.