The Washer,flat, cataloged under National Stock Number 5310-00-050-9118, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Seastrom Manufacturing Co Inc. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-050-9118 |
| Primary Part Number | A361-20 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Seastrom Manufacturing Co Inc |
| Status | ACTIVE |
| Hardness Rating | 118.0 ROCKWELL R NOMINAL |
| Peripheral Shape Style | ROUND |
| Material | PLASTIC POLYHEXAMETHYLENE ADIPAMIDE OVERALL |
| Material Document and Classification | L-P-410 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Thickness | 0.015 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN |
| Overall Diameter | 0.276 INCHES MINIMUM AND 0.286 INCHES MAXIMUM IN |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.115 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| A361-20 PRIMARY | Seastrom Manufacturing Co Inc (USA) |
| G440052-1 | L3harris Technologies, Inc Div Space & Airborne Systems (USA) |
| 610018P3 | Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems (USA) |
| N04 | Black Anad Webster Inc Nylogrip Products Div (USA) |
NSN 5310-00-050-9118 is a Washer,flat, manufactured by Seastrom Manufacturing Co Inc, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-00-050-9118 has 4 cross-referenced part numbers: A361-20 (Seastrom Manufacturing Co Inc), G440052-1 (L3harris Technologies, Inc Div Space & Airborne Systems), 610018P3 (Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems), N04 (Black Anad Webster Inc Nylogrip Products Div).
There are 6 known substitutes for 5310-00-050-9118: 5310-00-185-6425, 4730-00-188-6317, 3030-00-267-6812 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for A361-20: Hardness Rating: 118.0 ROCKWELL R NOMINAL; Peripheral Shape Style: ROUND; Material: PLASTIC POLYHEXAMETHYLENE ADIPAMIDE OVERALL; Material Document and Classification: L-P-410 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 9 total characteristics are documented in the Federal Logistics Information System.