PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

169800-2Washer,seal

Northrop Grumman Systems Corporation · NSN 5310-01-303-8765 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-303-8765 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-303-8765. Primary manufacturer part number: 169800-2.
Features
  • Washer,seal — FSC 5310
  • Material Thickness: 0.0959 INCHES NOMINAL IN
  • Hole Diameter: 0.141 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
  • Outside Diameter: 0.698 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
  • 3 verified cross-references
  • Primary manufacturer: Northrop Grumman Systems Corporation
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
General Description

The Washer,seal, cataloged under National Stock Number 5310-01-303-8765, 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. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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
NSN5310-01-303-8765
Primary Part Number169800-2
Item NameWasher,seal
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation
StatusACTIVE
Material Thickness0.0959 INCHES NOMINAL IN
Hole Diameter0.141 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
Outside Diameter0.698 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4510-00-216-54663027 INTERCHANGEABLE
Plate,top,valve
Crest Good Manufacturing Co Inc
5310-00-227-4889 INTERCHANGEABLE
Washer,spring Tension
2940-00-364-34001595540PC1595582 INTERCHANGEABLE
Filter Element,fluid
General Motors Llc Dba General Motors Llc
5120-00-449-8114B1351A INTERCHANGEABLE
Wrench,open End
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
6740-00-466-0932 INTERCHANGEABLE
Tank,processing,photographic
2520-00-620-0254 INTERCHANGEABLE
Breather Asy
5950-00-645-0859S15 INTERCHANGEABLE
Transformer,audio Frequency
Entron Industries Limited Partnership Dba Entron Industries Property Div
5340-00-686-5800S15 INTERCHANGEABLE
Spring,loading
Barnes Group Inc
5310-01-011-9607 INTERCHANGEABLE
Washer
5340-01-086-9654S1.5 INTERCHANGEABLE
Strap,retaining
Panduit Corp.
Cross-Reference Index
Part NumberManufacturer
S15 Fabco Fastening Systems Townsend Div Div of Textron Inc (USA)
169800-2 PRIMARY Northrop Grumman Systems Corporation (USA)
169800-2 Rtx Corporation Div Pratt & Whitney (USA)
Related Parts
4510-00-216-5466INTERCHANGEABLE
PLATE,TOP,VALVE
3027
5310-00-227-4889INTERCHANGEABLE
WASHER,SPRING TENSION
2940-00-364-3400INTERCHANGEABLE
FILTER ELEMENT,FLUID
1595540PC1595582
5120-00-449-8114INTERCHANGEABLE
WRENCH,OPEN END
B1351A
6740-00-466-0932INTERCHANGEABLE
TANK,PROCESSING,PHOTOGRAPHIC
2520-00-620-0254INTERCHANGEABLE
BREATHER ASY
5950-00-645-0859INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
S15
5340-00-686-5800INTERCHANGEABLE
SPRING,LOADING
S15
5310-01-011-9607INTERCHANGEABLE
WASHER
5340-01-086-9654INTERCHANGEABLE
STRAP,RETAINING
S1.5
5920-01-326-7806INTERCHANGEABLE
FUSE,PLUG
12977
7320-01-387-7827INTERCHANGEABLE
VEGETABLE PEELING MACHINE,ELECTR
S-15

Frequently Asked Questions

What is NSN 5310-01-303-8765?

NSN 5310-01-303-8765 is a Washer,seal, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-303-8765?

NSN 5310-01-303-8765 has 3 cross-referenced part numbers: S15 (Fabco Fastening Systems Townsend Div Div of Textron Inc), 169800-2 (Northrop Grumman Systems Corporation), 169800-2 (Rtx Corporation Div Pratt & Whitney).

What NSN replaces 5310-01-303-8765?

There are 12 known substitutes for 5310-01-303-8765: 4510-00-216-5466, 5310-00-227-4889, 2940-00-364-3400 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 169800-2?

Key specifications for 169800-2: Material Thickness: 0.0959 INCHES NOMINAL IN; Hole Diameter: 0.141 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN; Special Features: GASKET,RUBBER ASTM D2000,M3BA714A16; PLATE,STAINLES STEEL TYPE 302,AMS 5513 OR TYPE 304,ASTM A240; GASKET PERMANENTLY BONDED TO PLATE; Outside Diameter: 0.698 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN. 4 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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