The Washer,flat, cataloged under National Stock Number 5310-00-531-0261, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Ametek Inc Div Aerospace and Defense. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5310-00-531-0261 |
| Primary Part Number | 202652-1 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Ametek Inc Div Aerospace and Defense |
| Status | CANCELLED |
| Material | STEEL OVERALL |
| Material Document and Classification | MIL-S-7952 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Surface Treatment | CADMIUM OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Hole Diameter | 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN |
| Thickness | 0.030 INCHES MINIMUM AND 0.034 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Center Hole Shape Style | ROUND |
| Peripheral Shape Style | ROUND |
| Overall Diameter | 0.225 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| F2652-1 | Ametek Inc Div Aerospace and Defense (USA) |
| 54336P | Itt Industries Inc Itt Aerospace Communications Div East (USA) |
| 58694 | L3harris Technologies, Inc. Dba Harris Corporation (USA) |
| 58694 | Itt Industries Inc Itt Aerospace Communications Div East (USA) |
| FFW84CLASSASTYLE1 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| 202652-1 PRIMARY | Ametek Inc Div Aerospace and Defense (USA) |
| 54336P | L3harris Technologies, Inc. Dba Harris Corporation (USA) |
NSN 5310-00-531-0261 is a Washer,flat, manufactured by Ametek Inc Div Aerospace and Defense, classified under FSC 5310 (No Item Name Available). Status: cancelled.
NSN 5310-00-531-0261 has 7 cross-referenced part numbers: F2652-1 (Ametek Inc Div Aerospace and Defense), 54336P (Itt Industries Inc Itt Aerospace Communications Div East), 58694 (L3harris Technologies, Inc. Dba Harris Corporation), 58694 (Itt Industries Inc Itt Aerospace Communications Div East), FFW84CLASSASTYLE1 (Federal Specifications Promulgated by General Services Administration Washington DC) and 2 more.
There are 3 known substitutes for 5310-00-531-0261: 5950-01-253-8264, 5360-01-264-1138, 5330-01-447-2886. Verify interchangeability with system specifications before substitution.
Key specifications for 202652-1: Material: STEEL OVERALL; Material Document and Classification: MIL-S-7952 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Surface Treatment: CADMIUM OVERALL; Cross-Sectional Shape Style: RECTANGULAR. 10 total characteristics are documented in the Federal Logistics Information System.
NSN 5310-00-531-0261 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.