PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

114525-112-51O-Ring

Grimes Aerospace Company · NSN 5331-00-291-3070 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-291-3070 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-291-3070. Primary manufacturer part number: 114525-112-51.
Features
  • O-Ring — FSC 5331
  • Center Hole Diameter: 3.719 INCHES MINIMUM AND 3.749 INCHES MAXIMUM IN
  • Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
  • Outside Diameter: 3.976 INCHES MINIMUM AND 4.048 INCHES MAXIMUM IN
  • 34 verified cross-references
  • Primary manufacturer: Grimes Aerospace Company
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Butadiene-Acrylonitrile Class Nbr construction
General Description

The O-Ring, cataloged under National Stock Number 5331-00-291-3070, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Grimes Aerospace Company. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 34 commercial cross-references from 30 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
NSN5331-00-291-3070
Primary Part Number114525-112-51
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerGrimes Aerospace Company
StatusCANCELLED
Center Hole Diameter3.719 INCHES MINIMUM AND 3.749 INCHES MAXIMUM IN
Cross-Sectional Height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
Outside Diameter3.976 INCHES MINIMUM AND 4.048 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
2530-00-026-3765211595 INTERCHANGEABLE
Follower,diaphragm,
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
1315-00-028-4437 INTERCHANGEABLE
Cartridge,90 Millimeter
3110-00-156-4278126TN9 INTERCHANGEABLE
Bearing,ball,annular
Skf Usa Inc.
5136-00-254-4518 INTERCHANGEABLE
Tap,thread Cutting
5110-00-277-98091280N INTERCHANGEABLE
Punch,cutting,single Bow
General Tools Manufacturing Co., Llc.
2910-00-306-5342149-1784 INTERCHANGEABLE
Pump,fuel,cam Actuated
Cummins Power Generation Inc.
6625-00-504-2107112-40 INTERCHANGEABLE
Meter,arbitrary Scale
Keysight Technologies Inc
4610-00-534-0484E2HW INTERCHANGEABLE
Still,water,electrically Heated
Consolidated Machine Corp Dba Consolidated Sterilizer Systems Div Consolidated Sterilizer Systems
5331-00-618-1603MS28775-240 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
4730-00-859-3445839-131 INTERCHANGEABLE
Bushing,pipe
George Fischer Sloane, Inc.
Cross-Reference Index
Part NumberManufacturer
1-222257 Aero-Motive Company (USA)
MS28775-240 Zf Industrieantriebe Witten Gmbh (DEU)
10V60-141-240 Houghton International Inc. (USA)
MS29513-240 Society of Automotive Engineers Inc (USA)
240-C-69 Ap Parts Co Industrial Sales Div (USA)
2-240 N602-70 Parker Hannifin Gmbh O-Ring Division (DEU)
SAE-AS29513 Sae International Dba Sae International (USA)
2-240 N602-70 Parker-Hannifin Corp Div O-Ring Division (USA)
60-P-31-240 West American Rubber Co Extrude Products Div (USA)
SR-822A-60-240 Stillman Seal Corporation Div Stillman Seal Corperation (USA)
7866-240 Parker Hannifin Corporation Div O-Ring Division (USA)
C-69-240 Federal-Mogul Corp Government Sales Dept (USA)
1-222257 Aerostar Global Logistics, Inc. Dba Aerostar Technical Services (USA)
1793-240 Parker-Hannifin Corporation Div O-Ring Division (USA)
N0602 2-240 Parker-Hannifin Corp Div O-Ring Division (USA)
114525-112-51 PRIMARY Grimes Aerospace Company (USA)
MS29513-240 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
PRP568-240-457-60 Parco, Llc (USA)
11-240 Strohmeyer, Julie a. Dba Julie a. Strohmeyer (USA)
457-60-240 Parco, Llc (USA)
Related Parts
2530-00-026-3765INTERCHANGEABLE
FOLLOWER,DIAPHRAGM,
211595
1315-00-028-4437INTERCHANGEABLE
CARTRIDGE,90 MILLIMETER
3110-00-156-4278INTERCHANGEABLE
BEARING,BALL,ANNULAR
126TN9
5136-00-254-4518INTERCHANGEABLE
TAP,THREAD CUTTING
5110-00-277-9809INTERCHANGEABLE
PUNCH,CUTTING,SINGLE BOW
1280N
2910-00-306-5342INTERCHANGEABLE
PUMP,FUEL,CAM ACTUATED
149-1784
6625-00-504-2107INTERCHANGEABLE
METER,ARBITRARY SCALE
112-40
4610-00-534-0484INTERCHANGEABLE
STILL,WATER,ELECTRICALLY HEATED
E2HW
5331-00-618-1603INTERCHANGEABLE
O-RING
MS28775-240
4730-00-859-3445INTERCHANGEABLE
BUSHING,PIPE
839-131
3120-00-925-9830INTERCHANGEABLE
BEARING,SLEEVE
1222257
5999-00-980-7561INTERCHANGEABLE
CONTACT,ELECTRICAL
112-40

Frequently Asked Questions

What is NSN 5331-00-291-3070?

NSN 5331-00-291-3070 is a O-Ring, manufactured by Grimes Aerospace Company, classified under FSC 5331 (O-Ring). Status: cancelled.

What are the part numbers for NSN 5331-00-291-3070?

NSN 5331-00-291-3070 has 34 cross-referenced part numbers: 1-222257 (Aero-Motive Company), MS28775-240 (Zf Industrieantriebe Witten Gmbh), 10V60-141-240 (Houghton International Inc.), MS29513-240 (Society of Automotive Engineers Inc), 240-C-69 (Ap Parts Co Industrial Sales Div) and 29 more.

What NSN replaces 5331-00-291-3070?

There are 12 known substitutes for 5331-00-291-3070: 2530-00-026-3765, 1315-00-028-4437, 3110-00-156-4278 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 114525-112-51?

Key specifications for 114525-112-51: Center Hole Diameter: 3.719 INCHES MINIMUM AND 3.749 INCHES MAXIMUM IN; End Item Identification: W/S: AIRCRAFT, (AC-130H, MC-130H, EC-130E, HC-130); VEHICLE, AIRCRAFT REFUELER R-14; SYSTEMS, JP-5 AVIATION FUELS; SHIPBOARD MATERIAL HANDLING EQUIPMENT (MHE); SUPPORT EQUIPMENT, B-1 AIRCRAFT; AIRCRAFT, OSPREY V-22A, MARINE CORPS; AIRCRAFT, OSPREY V-22A, AIR FORCE; TICONDEROGA CLASS CG (47); AIRCRAFT, C-18A, EC-18B A; Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 5 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5331-00-291-3070 still in active supply?

NSN 5331-00-291-3070 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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