PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

77950Washer,flat

Hamilton Sundstrand Corporation Dba Collins Aerospace · NSN 5310-00-483-7183 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-483-7183 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-483-7183. Primary manufacturer part number: 77950.
Features
  • Washer,flat — FSC 5310
  • Thickness: 0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
  • Cross-Sectional Shape Style: RECTANGULAR
  • Material Document and Classification: AMS 5044 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Material: STEEL COMP 1010 OVERALL
  • Peripheral Shape Style: ROUND
  • Center Hole Shape Style: ROUND
  • Hole Diameter: 0.193 INCHES MINIMUM AND 0.213 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1010 Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-483-7183, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. Government technical data includes 8 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-483-7183
Primary Part Number77950
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerHamilton Sundstrand Corporation Dba Collins Aerospace
StatusCANCELLED
Thickness0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
Cross-Sectional Shape StyleRECTANGULAR
Material Document and ClassificationAMS 5044 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MaterialSTEEL COMP 1010 OVERALL
Peripheral Shape StyleROUND
Center Hole Shape StyleROUND
Hole Diameter0.193 INCHES MINIMUM AND 0.213 INCHES MAXIMUM IN
Overall Diameter0.386 INCHES MINIMUM AND 0.396 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
2640-00-021-8295VS-803 INTERCHANGEABLE
Valve,pneumatic Tire
Dill Air Controls Products Llc Dba Dill Air Controls Products Llc
5120-01-065-9037CH54 INTERCHANGEABLE
Hammer,hand
Stanley Industrial & Automotive Llc
4820-01-212-680677950-1 INTERCHANGEABLE
Valve,vent
Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator
4810-01-213-154477950-2 INTERCHANGEABLE
Valve,butterfly
Esi Acquisition Corp Dba Esi Acquisition Corp
5120-01-661-628257-533 INTERCHANGEABLE
Hammer,hand
Stanley Tools Div of Stanley Works
Cross-Reference Index
Part NumberManufacturer
57533 Haynes Corporation (USA)
77950 PRIMARY Hamilton Sundstrand Corporation Dba Collins Aerospace (USA)
WMS2104-4X Steego Corp (USA)
57533 Ambac International Corporation Div Ambac International (USA)
60-22-257 Ecolaire Inc Baldwin-Hamilton Co Div (USA)
Related Parts
2640-00-021-8295INTERCHANGEABLE
VALVE,PNEUMATIC TIRE
VS-803
5120-01-065-9037INTERCHANGEABLE
HAMMER,HAND
CH54
4820-01-212-6806INTERCHANGEABLE
VALVE,VENT
77950-1
4810-01-213-1544INTERCHANGEABLE
VALVE,BUTTERFLY
77950-2
5120-01-661-6282INTERCHANGEABLE
HAMMER,HAND
57-533

Frequently Asked Questions

What is NSN 5310-00-483-7183?

NSN 5310-00-483-7183 is a Washer,flat, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-483-7183?

NSN 5310-00-483-7183 has 5 cross-referenced part numbers: 57533 (Haynes Corporation), 77950 (Hamilton Sundstrand Corporation Dba Collins Aerospace), WMS2104-4X (Steego Corp), 57533 (Ambac International Corporation Div Ambac International), 60-22-257 (Ecolaire Inc Baldwin-Hamilton Co Div).

What NSN replaces 5310-00-483-7183?

There are 5 known substitutes for 5310-00-483-7183: 2640-00-021-8295, 5120-01-065-9037, 4820-01-212-6806 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 77950?

Key specifications for 77950: Thickness: 0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN; Cross-Sectional Shape Style: RECTANGULAR; Material Document and Classification: AMS 5044 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Material: STEEL COMP 1010 OVERALL. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-483-7183 still in active supply?

NSN 5310-00-483-7183 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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