The Washer,flat, cataloged under National Stock Number 5310-00-132-1048, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is E-Systems Inc Montek Div Fluid Controls Opns. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, 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 | 5310-00-132-1048 |
| Primary Part Number | 43343 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | E-Systems Inc Montek Div Fluid Controls Opns |
| Status | ACTIVE |
| Peripheral Shape Style | ROUND |
| Material | STEEL OVERALL |
| Surface Finish | 63.0 MICROINCHES ALL SURFACES |
| Surface Treatment Document and Classification | WPS 10012,FSCM K1520 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Surface Treatment | PASSIVATE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Center Hole Shape Style | ROUND |
| Overall Diameter | 1.374 INCHES NOMINAL IN |
| Heat Treatment | QUENCHED AND TEMPERED |
| Hole Diameter | 0.369 INCHES NOMINAL IN |
| Thickness | 0.030 INCHES MINIMUM AND 0.034 INCHES MAXIMUM IN |
| Material Document and Classification | MIL-S-25043 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 43343 | E-Systems Inc Montek Div Fluid Controls Opns (USA) |
| FF-W-92 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| 43343 | Moog Inc Div Moog Inc., Space and Defense - Salt Lake City (USA) |
| 43343 | Mid-America Aerotech, Llc (USA) |
| 43343 | Moog Inc (USA) |
NSN 5310-00-132-1048 is a Washer,flat, manufactured by E-Systems Inc Montek Div Fluid Controls Opns, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-00-132-1048 has 5 cross-referenced part numbers: 43343 (E-Systems Inc Montek Div Fluid Controls Opns), FF-W-92 (Federal Specifications Promulgated by General Services Administration Washington DC), 43343 (Moog Inc Div Moog Inc., Space and Defense - Salt Lake City), 43343 (Mid-America Aerotech, Llc), 43343 (Moog Inc).
There are 2 known substitutes for 5310-00-132-1048: 5950-00-421-2976, 5331-01-300-2569. Verify interchangeability with system specifications before substitution.
Key specifications for 43343: Peripheral Shape Style: ROUND; Material: STEEL OVERALL; Surface Finish: 63.0 MICROINCHES ALL SURFACES; Surface Treatment Document and Classification: WPS 10012,FSCM K1520 MFR REF SINGLE TREATMENT RESPONSE OVERALL. 12 total characteristics are documented in the Federal Logistics Information System.