PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20-2225Washer

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 5310-01-182-5428 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-182-5428 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-182-5428. Primary manufacturer part number: 20-2225.
Features
  • Washer — FSC 5310
  • 4 verified cross-references
  • Primary manufacturer: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer, cataloged under National Stock Number 5310-01-182-5428, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameWasher
FSC / FSG5310 — No Item Name Available (FSG 53)
ManufacturersRtx Corporation Dba Pratt & Whitney Div Pratt &whitney (CAGE 77445); Unison Industries, Llc Dba Unison Industries Inc (CAGE 83311); Ontic Engineering & Manufacturing, Inc Dba Ontic Us (CAGE 45934); Ametek Inc Lamb Electric Div (CAGE 75511)
Technical Specifications
ParameterValue
NSN5310-01-182-5428
Primary Part Number20-2225
Item NameWasher
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5905-00-252-1671 INTERCHANGEABLE
Resistor,fixed,composition
5340-01-729-6263202225 INTERCHANGEABLE
Door,access,utility
Heil Trailer International Llc
Cross-Reference Index
Part NumberManufacturer
20-2225 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
20-2225 Unison Industries, Llc Dba Unison Industries Inc (USA)
20-2225 Ontic Engineering & Manufacturing, Inc Dba Ontic Us (USA)
20-2225 Ametek Inc Lamb Electric Div (USA)
Related Parts
5905-00-252-1671INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
5340-01-729-6263INTERCHANGEABLE
DOOR,ACCESS,UTILITY
202225

Frequently Asked Questions

What is NSN 5310-01-182-5428?

NSN 5310-01-182-5428 is a Washer, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-182-5428?

NSN 5310-01-182-5428 has 4 cross-referenced part numbers: 20-2225 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 20-2225 (Unison Industries, Llc Dba Unison Industries Inc), 20-2225 (Ontic Engineering & Manufacturing, Inc Dba Ontic Us), 20-2225 (Ametek Inc Lamb Electric Div).

What NSN replaces 5310-01-182-5428?

There are 2 known substitutes for 5310-01-182-5428: 5905-00-252-1671, 5340-01-729-6263. Verify interchangeability with system specifications before substitution.

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