PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

80276-003Washer,lock

Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp · NSN 5310-00-595-7239 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-595-7239 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-595-7239. Primary manufacturer part number: 80276-003.
Features
  • Washer,lock — FSC 5310
  • Material Thickness: 0.012 INCHES NOMINAL IN
  • Material Document and Classification: AISI NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Outside Diameter: 0.175 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN
  • Hole Diameter: 0.089 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN
  • Material: STEEL COMP 410 OVERALL
  • Style Designator: FLAT INTERNAL TEETH
  • 6 verified cross-references
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 410 Overall construction
General Description

The Washer,lock, cataloged under National Stock Number 5310-00-595-7239, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-595-7239
Primary Part Number80276-003
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
StatusACTIVE
Material Thickness0.012 INCHES NOMINAL IN
Material Document and ClassificationAISI NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL
Outside Diameter0.175 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN
Hole Diameter0.089 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN
MaterialSTEEL COMP 410 OVERALL
Style DesignatorFLAT INTERNAL TEETH
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5998-00-036-6678 INTERCHANGEABLE
Circuit Card Assembly
8415-00-078-4799 INTERCHANGEABLE
Vest,identifying
5905-00-105-17752100-2061 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Keysight Technologies Inc
4320-00-218-3210SK-134622 INTERCHANGEABLE
Ring,wearing
Curtiss-Wright Electro-Mechanical Corporation Div Epd
2540-00-248-4603104-18 INTERCHANGEABLE
Blade,windshield Wiper
Trico Products Corporation
5315-00-276-434610199 INTERCHANGEABLE
Pin,straight,headed
Garwood/feller Inc Garwood Winch Div
4730-00-278-8257 INTERCHANGEABLE
Adapter,straight,pipe to Hose
5365-00-412-750594072 INTERCHANGEABLE
Bushing
Telemechanics Inc
5330-00-420-963210418LPDH1L5 INTERCHANGEABLE
Seal,plain
Parker-Hannifin Corporation Dba Pneutronics Div Engineered Polymer Systems
1620-00-523-771310418 INTERCHANGEABLE
Retainer,nose Wheel
Moog Military Aircraft Llc
Cross-Reference Index
Part NumberManufacturer
10418 Kleinschmidt Inc (USA)
80276-003 PRIMARY Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
373-1010-000 PRIMARY Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
373-8500-00 PRIMARY Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
373-8500-000 PRIMARY Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
1702-00 Itw Shakeproof Automotive Products (USA)
Related Parts
5998-00-036-6678INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
8415-00-078-4799INTERCHANGEABLE
VEST,IDENTIFYING
5905-00-105-1775INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
2100-2061
4320-00-218-3210INTERCHANGEABLE
RING,WEARING
SK-134622
2540-00-248-4603INTERCHANGEABLE
BLADE,WINDSHIELD WIPER
104-18
5315-00-276-4346INTERCHANGEABLE
PIN,STRAIGHT,HEADED
10199
4730-00-278-8257INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO HOSE
5365-00-412-7505INTERCHANGEABLE
BUSHING
94072
5330-00-420-9632INTERCHANGEABLE
SEAL,PLAIN
10418LPDH1L5
1620-00-523-7713INTERCHANGEABLE
RETAINER,NOSE WHEEL
10418
5310-00-543-4652INTERCHANGEABLE
WASHER,LOCK
MS35333-69
3110-00-555-5424INTERCHANGEABLE
BEARING,BALL,ANNULAR

Frequently Asked Questions

What is NSN 5310-00-595-7239?

NSN 5310-00-595-7239 is a Washer,lock, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-595-7239?

NSN 5310-00-595-7239 has 6 cross-referenced part numbers: 10418 (Kleinschmidt Inc), 80276-003 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 373-1010-000 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), 373-8500-00 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), 373-8500-000 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems) and 1 more.

What NSN replaces 5310-00-595-7239?

There are 12 known substitutes for 5310-00-595-7239: 5998-00-036-6678, 8415-00-078-4799, 5905-00-105-1775 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 80276-003?

Key specifications for 80276-003: Material Thickness: 0.012 INCHES NOMINAL IN; Material Document and Classification: AISI NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.175 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN; Hole Diameter: 0.089 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN. 6 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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