PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4105O-Ring

Wakmann Watch Company Inc · NSN 5331-00-965-5257 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-965-5257 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-965-5257. Primary manufacturer part number: 4105.
Features
  • O-Ring — FSC 5331
  • Material: PLASTIC
  • Cross-Sectional Height: 0.0275 INCHES NOMINAL IN
  • 1 verified cross-reference
  • Primary manufacturer: Wakmann Watch Company Inc
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Plastic construction
General Description

The O-Ring, cataloged under National Stock Number 5331-00-965-5257, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Wakmann Watch Company Inc. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). 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.

Technical Specifications
ParameterValue
NSN5331-00-965-5257
Primary Part Number4105
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerWakmann Watch Company Inc
StatusACTIVE
MaterialPLASTIC
Cross-Sectional Height0.0275 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3020-00-035-8003 INTERCHANGEABLE
Gear,spur
4730-00-254-6448 INTERCHANGEABLE
Elbow,tube
2610-00-269-7353 INTERCHANGEABLE
Inner Tube,pneumatic Tire,vehicu
5910-00-270-50741366019 INTERCHANGEABLE
Capacitor,fixed,paper Dielectric
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
4730-00-278-4357SAE J512 4-2 060102BA INTERCHANGEABLE
Adapter,straight,pipe to Tube
Sae International Dba Sae International
2930-00-294-278610192RD INTERCHANGEABLE
Cap,filler Opening
Yates-American Machine Co Inc
5305-00-786-402811532 INTERCHANGEABLE
Screw,externally Relieved Body
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
6130-01-089-5467F50/288-700-2 INTERCHANGEABLE
Power Supply
Eldec Aerospace Corp
4820-01-147-9344410-5-2 INTERCHANGEABLE
Cap,valve
Flowserve Corporation Div Flowserve Us Inc
5905-01-184-086491J330 INTERCHANGEABLE
Resistor,fixed,wire Wound
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
Cross-Reference Index
Part NumberManufacturer
4105 PRIMARY Wakmann Watch Company Inc (USA)
Related Parts
3020-00-035-8003INTERCHANGEABLE
GEAR,SPUR
4730-00-254-6448INTERCHANGEABLE
ELBOW,TUBE
2610-00-269-7353INTERCHANGEABLE
INNER TUBE,PNEUMATIC TIRE,VEHICU
5910-00-270-5074INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC
1366019
4730-00-278-4357INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
SAE J512 4-2 060102BA
2930-00-294-2786INTERCHANGEABLE
CAP,FILLER OPENING
10192RD
5305-00-786-4028INTERCHANGEABLE
SCREW,EXTERNALLY RELIEVED BODY
11532
6130-01-089-5467INTERCHANGEABLE
POWER SUPPLY
F50/288-700-2
4820-01-147-9344INTERCHANGEABLE
CAP,VALVE
410-5-2
5905-01-184-0864INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
91J330
7025-01-192-7456INTERCHANGEABLE
DISPLAY UNIT
4105
5365-01-212-6165INTERCHANGEABLE
SPACER,PLATE

Frequently Asked Questions

What is NSN 5331-00-965-5257?

NSN 5331-00-965-5257 is a O-Ring, manufactured by Wakmann Watch Company Inc, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-00-965-5257?

NSN 5331-00-965-5257 has 1 cross-referenced part number: 4105 (Wakmann Watch Company Inc).

What NSN replaces 5331-00-965-5257?

There are 12 known substitutes for 5331-00-965-5257: 3020-00-035-8003, 4730-00-254-6448, 2610-00-269-7353 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4105?

Key specifications for 4105: Material: PLASTIC; Cross-Sectional Height: 0.0275 INCHES NOMINAL IN. 2 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com