PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

845-7108571-ASSEMBLY-C ITEM 33O-Ring

Naval Sea Systems Command · NSN 5331-01-107-4956 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-107-4956 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-107-4956. Primary manufacturer part number: 845-7108571-ASSEMBLY-C ITEM 33.
Features
  • O-Ring — FSC 5331
  • Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
  • Outside Diameter: 0.274 INCHES MINIMUM AND 0.296 INCHES MAXIMUM IN
  • Center Hole Diameter: 0.109 INCHES MINIMUM AND 0.119 INCHES MAXIMUM IN
  • Material: RUBBER SYNTHETIC
  • 32 verified cross-references
  • Primary manufacturer: Naval Sea Systems Command
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Synthetic construction
General Description

The O-Ring, cataloged under National Stock Number 5331-01-107-4956, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Sea Systems Command. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 32 commercial cross-references from 23 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5331-01-107-4956
Primary Part Number845-7108571-ASSEMBLY-C ITEM 33
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerNaval Sea Systems Command
StatusCANCELLED
Cross-Sectional Height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
Outside Diameter0.274 INCHES MINIMUM AND 0.296 INCHES MAXIMUM IN
Center Hole Diameter0.109 INCHES MINIMUM AND 0.119 INCHES MAXIMUM IN
MaterialRUBBER SYNTHETIC
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5930-00-020-003410814 INTERCHANGEABLE
Switch
Custom Metering Company Inc
5905-00-111-3983 INTERCHANGEABLE
Resistor Assembly
5910-00-196-1239S6624-1CHANGE1 INTERCHANGEABLE
Capacitor,fixed,paper Dielectric
Danfoss Inc
5136-00-272-9761 INTERCHANGEABLE
Tap,thread Cutting
2805-00-374-8284W300148A INTERCHANGEABLE
Ring,piston
Northrop Grumman Systems Corporation
5331-00-595-6325E45-0001-002 INTERCHANGEABLE
O-Ring
L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications
1560-00-772-326910814 INTERCHANGEABLE
Bracket Assembly,mo
Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company
5330-00-833-88791018Z664 INTERCHANGEABLE
Packing,preformed
Morris Material Handling, Inc.
6625-01-022-4027 INTERCHANGEABLE
Oscillator Subassembly
5340-01-087-42683033T86P02 INTERCHANGEABLE
Clamp,loop
General Electric Company Dba Ge Aerospace
Cross-Reference Index
Part NumberManufacturer
080-04273-2 The Boeing Company Div Defense (USA)
A25141-006 Zf Industrieantriebe Witten Gmbh (DEU)
29KP518 Oshkosh Corp (USA)
2-007N674-70 Parker Hannifin France Holding (FRA)
AMS-P-83461/1 Society of Automotive Engineers Inc (USA)
ARP568-006B10 Zf Industrieantriebe Witten Gmbh (DEU)
M83461/1-006 Dbr Industries, Inc. Dba Dbr Industries Inc (USA)
D03818 Worcester Controls Corp P O Box 2609 Cookeville Tn 385022609 (USA)
M83461/1-006 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
SAE-AS83461/1 Sae International Dba Sae International (USA)
845-7108571-ASSEMBLY-C ITEM 33 PRIMARY Naval Sea Systems Command (USA)
2290-9588PC47 Circor Aerospace, Inc. Dba Circor Aerospace Inc (USA)
2-007N674-70 Parker-Hannifin Corp Div O-Ring Division (USA)
03818 PART NO 10814 Worcester Controls Corp P O Box 2609 Cookeville Tn 385022609 (USA)
M83461/1-006 PRIMARY Sae International Dba Sae International (USA)
M83461/1-006 Society of Automotive Engineers Inc (USA)
5331PL1291540 Jednolity Indeks Materialowy - Uniform Material Index (POL)
29KP518 Oshkosh Defense Llc (USA)
2-007N674-70 Parker Hannifin France SAS (FRA)
2-007N-674-70 Zf Industrieantriebe Witten Gmbh (DEU)
Related Parts
5930-00-020-0034INTERCHANGEABLE
SWITCH
10814
5905-00-111-3983INTERCHANGEABLE
RESISTOR ASSEMBLY
5910-00-196-1239INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC
S6624-1CHANGE1
5136-00-272-9761INTERCHANGEABLE
TAP,THREAD CUTTING
2805-00-374-8284INTERCHANGEABLE
RING,PISTON
W300148A
5331-00-595-6325INTERCHANGEABLE
O-RING
E45-0001-002
1560-00-772-3269INTERCHANGEABLE
BRACKET ASSEMBLY,MO
10814
5330-00-833-8879INTERCHANGEABLE
PACKING,PREFORMED
1018Z664
6625-01-022-4027INTERCHANGEABLE
OSCILLATOR SUBASSEMBLY
5340-01-087-4268INTERCHANGEABLE
CLAMP,LOOP
3033T86P02
5331-01-219-0470INTERCHANGEABLE
O-RING
5331-01-385-9393INTERCHANGEABLE
O-RING

Frequently Asked Questions

What is NSN 5331-01-107-4956?

NSN 5331-01-107-4956 is a O-Ring, manufactured by Naval Sea Systems Command, classified under FSC 5331 (O-Ring). Status: cancelled.

What are the part numbers for NSN 5331-01-107-4956?

NSN 5331-01-107-4956 has 32 cross-referenced part numbers: 080-04273-2 (The Boeing Company Div Defense), A25141-006 (Zf Industrieantriebe Witten Gmbh), 29KP518 (Oshkosh Corp), 2-007N674-70 (Parker Hannifin France Holding), AMS-P-83461/1 (Society of Automotive Engineers Inc) and 27 more.

What NSN replaces 5331-01-107-4956?

There are 12 known substitutes for 5331-01-107-4956: 5930-00-020-0034, 5905-00-111-3983, 5910-00-196-1239 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 845-7108571-ASSEMBLY-C ITEM 33?

Key specifications for 845-7108571-ASSEMBLY-C ITEM 33: Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Outside Diameter: 0.274 INCHES MINIMUM AND 0.296 INCHES MAXIMUM IN; Center Hole Diameter: 0.109 INCHES MINIMUM AND 0.119 INCHES MAXIMUM IN; Material: RUBBER SYNTHETIC. 4 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5331-01-107-4956 still in active supply?

NSN 5331-01-107-4956 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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