PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8330900Nut,plain,extended Washer,hexago

U S Army Tank Automotive Command Amsta-Im-Mm · NSN 5310-00-333-7539 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-333-7539 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-333-7539. Primary manufacturer part number: 8330900.
Features
  • Nut,plain,extended Washer,hexago — FSC 5310
  • Thread Series: UNF
  • Material: COPPER ALLOY OVERALL
  • Nut Style: HEXAGON
  • Nut Counterbore Depth: 0.125 INCHES NOMINAL NUT IN
  • Counterbore Diameter: 0.641 INCHES NOMINAL NUT IN
  • Nominal Thread Size: 0.625 INCHES IN
  • Washer Outside Diameter: 3.125 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Copper Alloy Overall construction
General Description

The Nut,plain,extended Washer,hexago, cataloged under National Stock Number 5310-00-333-7539, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-333-7539
Primary Part Number8330900
Item NameNut,plain,extended Washer,hexago
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerU S Army Tank Automotive Command Amsta-Im-Mm
StatusACTIVE
Thread SeriesUNF
MaterialCOPPER ALLOY OVERALL
Nut StyleHEXAGON
Nut Counterbore Depth0.125 INCHES NOMINAL NUT IN
Counterbore Diameter0.641 INCHES NOMINAL NUT IN
Nominal Thread Size0.625 INCHES IN
Washer Outside Diameter3.125 INCHES NOMINAL IN
Thread Quantity Per Inch18
Width Across Flats0.875 INCHES NOMINAL IN
Washer Thickness0.219 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Thread Class2B
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
3120-00-131-7089 INTERCHANGEABLE
Bearing,sleeve
5360-00-255-4410P403 INTERCHANGEABLE
Spring,helical,compression
Weldon Pump Llc
2940-00-541-3503C151A INTERCHANGEABLE
Filter Element,fluid
Honeywell International Inc Dba Honeywell Div Consumer Products Group
6750-01-165-3517 INTERCHANGEABLE
Film,photographic
4710-01-271-6179 INTERCHANGEABLE
Pipe,plastic
Cross-Reference Index
Part NumberManufacturer
8330900 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
P403 Syltone Industries Llc Dba Gardner Denver Inc. Div Emco Wheaton (USA)
Related Parts
3120-00-131-7089INTERCHANGEABLE
BEARING,SLEEVE
5360-00-255-4410INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
P403
2940-00-541-3503INTERCHANGEABLE
FILTER ELEMENT,FLUID
C151A
6750-01-165-3517INTERCHANGEABLE
FILM,PHOTOGRAPHIC
4710-01-271-6179INTERCHANGEABLE
PIPE,PLASTIC

Frequently Asked Questions

What is NSN 5310-00-333-7539?

NSN 5310-00-333-7539 is a Nut,plain,extended Washer,hexago, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-333-7539?

NSN 5310-00-333-7539 has 2 cross-referenced part numbers: 8330900 (U S Army Tank Automotive Command Amsta-Im-Mm), P403 (Syltone Industries Llc Dba Gardner Denver Inc. Div Emco Wheaton).

What NSN replaces 5310-00-333-7539?

There are 5 known substitutes for 5310-00-333-7539: 3120-00-131-7089, 5360-00-255-4410, 2940-00-541-3503 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8330900?

Key specifications for 8330900: Thread Series: UNF; Material: COPPER ALLOY OVERALL; Nut Style: HEXAGON; Nut Counterbore Depth: 0.125 INCHES NOMINAL NUT IN. 13 total characteristics are documented in the Federal Logistics Information System.

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