PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

W-12Washer,lock

Air & Liquid Systems Corporation Dba Buffalo Pumps · NSN 5310-01-190-2087 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-190-2087 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-190-2087. Primary manufacturer part number: W-12.
Features
  • Washer,lock — FSC 5310
  • 1 verified cross-reference
  • Primary manufacturer: Air & Liquid Systems Corporation Dba Buffalo Pumps
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,lock, cataloged under National Stock Number 5310-01-190-2087, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Air & Liquid Systems Corporation Dba Buffalo Pumps. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameWasher,lock
FSC / FSG5310 — No Item Name Available (FSG 53)
ManufacturersAir & Liquid Systems Corporation Dba Buffalo Pumps (CAGE 83130)
Technical Specifications
ParameterValue
NSN5310-01-190-2087
Primary Part NumberW-12
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerAir & Liquid Systems Corporation Dba Buffalo Pumps
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5310-00-010-626511X105 INTERCHANGEABLE
Washer,flat
Pdi Ground Support Systems, Inc.
5310-00-186-0971 INTERCHANGEABLE
Washer,key
3433-00-373-1736W-1-2 INTERCHANGEABLE
Tip,welding Torch
Victor Equipment Co
5310-00-825-7816W12 INTERCHANGEABLE
Washer,flat
Mitsubishi Chemical Advanced Materials Inc.
5945-00-960-4810W12 INTERCHANGEABLE
Heater
Ward Leonard Ct Llc
5120-01-063-3953 INTERCHANGEABLE
Socket,socket Wrench
5315-01-191-7136 INTERCHANGEABLE
Pin,lock
5310-01-214-4897R007895L INTERCHANGEABLE
Washer,keyway
Meritor Industrial Products, Llc
2920-01-298-5447W-12 INTERCHANGEABLE
Relay-Solenoid,engine Starter,el
Fenner Fluid Power Inc
6250-01-300-7995W12 INTERCHANGEABLE
Lampholder
Lithonia Lighting National Services Industries Inc Div
Cross-Reference Index
Part NumberManufacturer
W-12 PRIMARY Air & Liquid Systems Corporation Dba Buffalo Pumps (USA)
Related Parts
5310-00-010-6265INTERCHANGEABLE
WASHER,FLAT
11X105
5310-00-186-0971INTERCHANGEABLE
WASHER,KEY
3433-00-373-1736INTERCHANGEABLE
TIP,WELDING TORCH
W-1-2
5310-00-825-7816INTERCHANGEABLE
WASHER,FLAT
W12
5945-00-960-4810INTERCHANGEABLE
HEATER
W12
5120-01-063-3953INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5315-01-191-7136INTERCHANGEABLE
PIN,LOCK
5310-01-214-4897INTERCHANGEABLE
WASHER,KEYWAY
R007895L
2920-01-298-5447INTERCHANGEABLE
RELAY-SOLENOID,ENGINE STARTER,EL
W-12
6250-01-300-7995INTERCHANGEABLE
LAMPHOLDER
W12
5310-01-449-7387INTERCHANGEABLE
WASHER,LOCK
88303 PC NO 21
5330-01-512-4223INTERCHANGEABLE
GASKET

Frequently Asked Questions

What is NSN 5310-01-190-2087?

NSN 5310-01-190-2087 is a Washer,lock, manufactured by Air & Liquid Systems Corporation Dba Buffalo Pumps, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-190-2087?

NSN 5310-01-190-2087 has 1 cross-referenced part number: W-12 (Air & Liquid Systems Corporation Dba Buffalo Pumps).

What NSN replaces 5310-01-190-2087?

There are 12 known substitutes for 5310-01-190-2087: 5310-00-010-6265, 5310-00-186-0971, 3433-00-373-1736 and 9 more. Verify interchangeability with system specifications before substitution.

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