PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

WA1220Washer,lock

Adams Aircraft International Inc · NSN 5310-00-032-2347 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-032-2347 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-032-2347. Primary manufacturer part number: WA1220.
Features
  • Washer,lock — FSC 5310
  • Outside Diameter: 0.388 INCHES NOMINAL IN
  • Material Document and Classification: AMS7240 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Style Designator: SPLIT HELICAL-RIGHT HAND
  • Material: STEEL COMP 1060 OVERALL
  • Hole Diameter: 0.254 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
  • Material Thickness: 0.042 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
  • 9 verified cross-references
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1060 Overall construction
General Description

The Washer,lock, cataloged under National Stock Number 5310-00-032-2347, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Adams Aircraft International Inc. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-032-2347
Primary Part NumberWA1220
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerAdams Aircraft International Inc
StatusCANCELLED
Outside Diameter0.388 INCHES NOMINAL IN
Material Document and ClassificationAMS7240 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Style DesignatorSPLIT HELICAL-RIGHT HAND
MaterialSTEEL COMP 1060 OVERALL
Hole Diameter0.254 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
Material Thickness0.042 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
5315-00-010-3677 INTERCHANGEABLE
Pin,straight,headless
7025-00-327-5144SM-C-187625 INTERCHANGEABLE
Platen,printer
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
6685-00-406-4607 INTERCHANGEABLE
Thermometer,self-Indicating
8340-00-566-7387 INTERCHANGEABLE
Window Pane,tent
5950-00-577-6134103677 INTERCHANGEABLE
Reactor
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5310-00-936-8518103677 INTERCHANGEABLE
Nut,plain,round
Hawker Pacific Aerospace
5945-00-984-9863 INTERCHANGEABLE
Relay,electromagnetic
2990-01-099-700100363400 INTERCHANGEABLE
Governor Lever
Hatz Diesel of America Inc
5360-01-359-275182109 INTERCHANGEABLE
Spring,helical,compression
Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc
2520-01-579-81038-2-109 INTERCHANGEABLE
Yoke,universal Joint,vehicular
Dana Commercial Vehicle Manufacturing, Llc Dba Dana Commercial Vehicle Products
Cross-Reference Index
Part NumberManufacturer
WA1220 Adams Aircraft International Inc (USA)
82109 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
WA1220 Ambac International Corporation Div Ambac International (USA)
82109 Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN)
10-3677 Unison Industries Llc (USA)
54965 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
10-3677 Amphenol Corp Div Amphenol Aerospace Operations (USA)
54965 Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN)
E1118-30-1 Breeze-Eastern Llc (USA)
Related Parts
5315-00-010-3677INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
7025-00-327-5144INTERCHANGEABLE
PLATEN,PRINTER
SM-C-187625
6685-00-406-4607INTERCHANGEABLE
THERMOMETER,SELF-INDICATING
8340-00-566-7387INTERCHANGEABLE
WINDOW PANE,TENT
5950-00-577-6134INTERCHANGEABLE
REACTOR
103677
5310-00-936-8518INTERCHANGEABLE
NUT,PLAIN,ROUND
103677
5945-00-984-9863INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
2990-01-099-7001INTERCHANGEABLE
GOVERNOR LEVER
00363400
5360-01-359-2751INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
82109
2520-01-579-8103INTERCHANGEABLE
YOKE,UNIVERSAL JOINT,VEHICULAR
8-2-109
6625-01-631-2631INTERCHANGEABLE
AMMETER
82109

Frequently Asked Questions

What is NSN 5310-00-032-2347?

NSN 5310-00-032-2347 is a Washer,lock, manufactured by Adams Aircraft International Inc, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-032-2347?

NSN 5310-00-032-2347 has 9 cross-referenced part numbers: WA1220 (Adams Aircraft International Inc), 82109 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), WA1220 (Ambac International Corporation Div Ambac International), 82109 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.), 10-3677 (Unison Industries Llc) and 4 more.

What NSN replaces 5310-00-032-2347?

There are 11 known substitutes for 5310-00-032-2347: 5315-00-010-3677, 7025-00-327-5144, 6685-00-406-4607 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of WA1220?

Key specifications for WA1220: Outside Diameter: 0.388 INCHES NOMINAL IN; Material Document and Classification: AMS7240 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Style Designator: SPLIT HELICAL-RIGHT HAND; Material: STEEL COMP 1060 OVERALL. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-032-2347 still in active supply?

NSN 5310-00-032-2347 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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