PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1WA5-126G-1Washer,flat

Mark Controls Corp Pacific Valves Div · NSN 5310-01-108-7521 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-108-7521 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-108-7521. Primary manufacturer part number: 1WA5-126G-1.
Features
  • Washer,flat — FSC 5310
  • 2 verified cross-references
  • Primary manufacturer: Mark Controls Corp Pacific Valves Div
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-108-7521, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Mark Controls Corp Pacific Valves Div. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameWasher,flat
FSC / FSG5310 — No Item Name Available (FSG 53)
ManufacturersMark Controls Corp Pacific Valves Div (CAGE 85578)
Technical Specifications
ParameterValue
NSN5310-01-108-7521
Primary Part Number1WA5-126G-1
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerMark Controls Corp Pacific Valves Div
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
3110-00-101-178613318 INTERCHANGEABLE
Cup,tapered Roller Bearing
The Timken Corporation
5133-00-189-9263 INTERCHANGEABLE
Drill,twist
5120-01-112-8322 INTERCHANGEABLE
Socket,socket Wrench
5930-01-281-1337 INTERCHANGEABLE
Switch,rotary
5999-01-284-504113318 INTERCHANGEABLE
Mounting Pad,electrical-Electron
Grimes Aerospace Company
4470-01-284-9832 INTERCHANGEABLE
Gland Stud Nut Lock
3110-01-314-05601366AS1140 INTERCHANGEABLE
Ring,bearing,inner
The Timken Corporation
5905-01-475-126713318 INTERCHANGEABLE
Resistor,variable,wire Wound,non
Basler Electric Co
6515-01-577-1797314.08 INTERCHANGEABLE
Sleeve,holding,screwdriver,bone
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
2540-01-672-856413318 INTERCHANGEABLE
Blade,windshield Wiper
Wexco Industries Inc
Cross-Reference Index
Part NumberManufacturer
1WA5-126G-1 PRIMARY Mark Controls Corp Pacific Valves Div (USA)
13318 Mark Controls Corp Pacific Valves Div (USA)
Related Parts
3110-00-101-1786INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
13318
5133-00-189-9263INTERCHANGEABLE
DRILL,TWIST
5120-01-112-8322INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5930-01-281-1337INTERCHANGEABLE
SWITCH,ROTARY
5999-01-284-5041INTERCHANGEABLE
MOUNTING PAD,ELECTRICAL-ELECTRON
13318
4470-01-284-9832INTERCHANGEABLE
GLAND STUD NUT LOCK
3110-01-314-0560INTERCHANGEABLE
RING,BEARING,INNER
1366AS1140
5905-01-475-1267INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
13318
6515-01-577-1797INTERCHANGEABLE
SLEEVE,HOLDING,SCREWDRIVER,BONE
314.08
2540-01-672-8564INTERCHANGEABLE
BLADE,WINDSHIELD WIPER
13318

Frequently Asked Questions

What is NSN 5310-01-108-7521?

NSN 5310-01-108-7521 is a Washer,flat, manufactured by Mark Controls Corp Pacific Valves Div, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-108-7521?

NSN 5310-01-108-7521 has 2 cross-referenced part numbers: 1WA5-126G-1 (Mark Controls Corp Pacific Valves Div), 13318 (Mark Controls Corp Pacific Valves Div).

What NSN replaces 5310-01-108-7521?

There are 10 known substitutes for 5310-01-108-7521: 3110-00-101-1786, 5133-00-189-9263, 5120-01-112-8322 and 7 more. Verify interchangeability with system specifications before substitution.

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