PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5074Washer,flat

Brinkley Technology Group Llc Dba Hercules Manufacturing · NSN 5310-00-637-3137 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-637-3137 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-637-3137. Primary manufacturer part number: 5074.
Features
  • Washer,flat — FSC 5310
  • Peripheral Shape Style: ROUND
  • Material: ALUMINUM OVERALL
  • Hole Diameter: 0.377 INCHES NOMINAL IN
  • Overall Diameter: 0.750 INCHES NOMINAL IN
  • Center Hole Shape Style: ROUND
  • Thickness: 0.094 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: RECTANGULAR
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Aluminum Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-637-3137, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Brinkley Technology Group Llc Dba Hercules Manufacturing. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 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: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-637-3137
Primary Part Number5074
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerBrinkley Technology Group Llc Dba Hercules Manufacturing
StatusCANCELLED
Peripheral Shape StyleROUND
MaterialALUMINUM OVERALL
Hole Diameter0.377 INCHES NOMINAL IN
Overall Diameter0.750 INCHES NOMINAL IN
Center Hole Shape StyleROUND
Thickness0.094 INCHES NOMINAL IN
Cross-Sectional Shape StyleRECTANGULAR
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6625-00-222-0979 INTERCHANGEABLE
Coupler,test Set
6680-00-334-4239 INTERCHANGEABLE
Cap,adjustment
3120-00-631-4517S1510-21399 INTERCHANGEABLE
Bearing,washer,thrust
Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp
5360-00-658-6224050740000 INTERCHANGEABLE
Spring,helical,compression
Smith & Wesson Sales Company
1650-00-704-69815074 INTERCHANGEABLE
Parts Kit,valve,ove
Hydro-Aire Aerospace Corp
6695-00-890-0713507-4 INTERCHANGEABLE
Indicator,symbol Indicating
Daco Instrument Co Div of Alinabal Inc
5342-00-980-754250-74 INTERCHANGEABLE
Bracket
Motorola Solutions Danmark A/s
2510-01-003-50714419110 INTERCHANGEABLE
Shock Absorber,direct Action
Chrysler Corp Service and Parts Opns
5950-01-069-86433146562 INTERCHANGEABLE
Transformer,power
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5815-01-084-2300 INTERCHANGEABLE
Holder,platen
Cross-Reference Index
Part NumberManufacturer
5074 Hercules Engine Co Inc (USA)
5074 PRIMARY Brinkley Technology Group Llc Dba Hercules Manufacturing (USA)
5074A Hercules Engine Co Inc (USA)
5074A Brinkley Technology Group Llc Dba Hercules Manufacturing (USA)
Related Parts
6625-00-222-0979INTERCHANGEABLE
COUPLER,TEST SET
6680-00-334-4239INTERCHANGEABLE
CAP,ADJUSTMENT
3120-00-631-4517INTERCHANGEABLE
BEARING,WASHER,THRUST
S1510-21399
5360-00-658-6224INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
050740000
1650-00-704-6981INTERCHANGEABLE
PARTS KIT,VALVE,OVE
5074
6695-00-890-0713INTERCHANGEABLE
INDICATOR,SYMBOL INDICATING
507-4
5342-00-980-7542INTERCHANGEABLE
BRACKET
50-74
2510-01-003-5071INTERCHANGEABLE
SHOCK ABSORBER,DIRECT ACTION
4419110
5950-01-069-8643INTERCHANGEABLE
TRANSFORMER,POWER
3146562
5815-01-084-2300INTERCHANGEABLE
HOLDER,PLATEN
5998-01-248-7015INTERCHANGEABLE
EXTENDER CARD,ELECTRONIC TEST
390709
2510-01-386-5660INTERCHANGEABLE
SHOCK ABSORBER,DIRECT ACTION
507-4

Frequently Asked Questions

What is NSN 5310-00-637-3137?

NSN 5310-00-637-3137 is a Washer,flat, manufactured by Brinkley Technology Group Llc Dba Hercules Manufacturing, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-637-3137?

NSN 5310-00-637-3137 has 4 cross-referenced part numbers: 5074 (Hercules Engine Co Inc), 5074 (Brinkley Technology Group Llc Dba Hercules Manufacturing), 5074A (Hercules Engine Co Inc), 5074A (Brinkley Technology Group Llc Dba Hercules Manufacturing).

What NSN replaces 5310-00-637-3137?

There are 12 known substitutes for 5310-00-637-3137: 6625-00-222-0979, 6680-00-334-4239, 3120-00-631-4517 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5074?

Key specifications for 5074: Peripheral Shape Style: ROUND; Material: ALUMINUM OVERALL; Hole Diameter: 0.377 INCHES NOMINAL IN; Overall Diameter: 0.750 INCHES NOMINAL IN. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-637-3137 still in active supply?

NSN 5310-00-637-3137 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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