PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

GA1070O-Ring

United Technologies Corp Electro Systems Inc · NSN 5331-00-263-8028 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-263-8028 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-263-8028. Primary manufacturer part number: GA1070.
Features
  • O-Ring — FSC 5331
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
  • Outside Diameter: 0.484 INCHES MINIMUM AND 0.506 INCHES MAXIMUM IN
  • Center Hole Diameter: 0.346 INCHES MINIMUM AND 0.356 INCHES MAXIMUM IN
  • Cross-Sectional Height: 0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
  • 50 verified cross-references
  • Primary manufacturer: United Technologies Corp Electro Systems Inc
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 5331-00-263-8028, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is United Technologies Corp Electro Systems Inc. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 50 commercial cross-references from 38 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5331-00-263-8028
Primary Part NumberGA1070
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerUnited Technologies Corp Electro Systems Inc
StatusCANCELLED
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
Outside Diameter0.484 INCHES MINIMUM AND 0.506 INCHES MAXIMUM IN
Center Hole Diameter0.346 INCHES MINIMUM AND 0.356 INCHES MAXIMUM IN
Cross-Sectional Height0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
4730-00-010-27748-6TRBTX-S INTERCHANGEABLE
Reducer,tube
Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division
5331-00-166-5994 INTERCHANGEABLE
O-Ring
5961-00-462-2851MIS-13674/31 INTERCHANGEABLE
Semiconductor Device,thyristor
Us Army Aviation and Missile Command
5815-00-755-6897179304 INTERCHANGEABLE
Plate
Telemechanics Inc
5331-01-357-561111-029-512-004 INTERCHANGEABLE
O-Ring
Aircraft Appliances and Equipment Limited Div Aircraft Appliances and Equipment Ltd.
5998-01-523-22694576-004 INTERCHANGEABLE
Printed Circuit Board
Interphase Corporation
2540-01-560-076812490191 INTERCHANGEABLE
Guard,brush,vehicular
U S Army Tank Automotive Command Amsta-Im-Mm
5330-01-565-4536MS29512-04 INTERCHANGEABLE
Gasket
Eaton Corporation Dba Eaton Inoac
Cross-Reference Index
Part NumberManufacturer
MS29512-04 Goriziane Group Spa (ITA)
269-78REVAPC27 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
GA1070 PRIMARY United Technologies Corp Electro Systems Inc (USA)
SRB4D016 Le Joint Francais (FRA)
MS29512-904 Zf Industrieantriebe Witten Gmbh (DEU)
Z00.N7423060004 Daher Aerospace - Ex Socata (FRA)
3-904 N602-70 Parker Hannifin Gmbh O-Ring Division (DEU)
8,92X1,83SR822A60 Le Joint Francais (FRA)
5330002638028 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
PX-1775-04 Acushnet Rubber Company, Inc. Dba Precix (USA)
MS29512-04 Zf Industrieantriebe Witten Gmbh (DEU)
S0311-904F Gulfstream Aerospace Corp Dba Gulfstream Aerospace Technologies (USA)
946.91.27.204 Pilatus Aircraft Ltd (CHE)
N0602 3-904 Parker-Hannifin Corp Div O-Ring Division (USA)
3079-32ALT1PCF4 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
04-01-904 I-T-E Imperial Corp Subsidiary of Gould Inc Airmatic/beckett Harcum Div (USA)
2963-71ALT5PCC5 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
10V60-141-04 Houghton International Inc. (USA)
11-029-512-004 Zf Industrieantriebe Witten Gmbh (DEU)
SR-822A-60-04 Stillman Seal Corporation Div Stillman Seal Corperation (USA)
Related Parts
4730-00-010-2774INTERCHANGEABLE
REDUCER,TUBE
8-6TRBTX-S
5331-00-166-5994INTERCHANGEABLE
O-RING
5961-00-462-2851INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR
MIS-13674/31
5815-00-755-6897INTERCHANGEABLE
PLATE
179304
5331-01-357-5611INTERCHANGEABLE
O-RING
11-029-512-004
5998-01-523-2269INTERCHANGEABLE
PRINTED CIRCUIT BOARD
4576-004
2540-01-560-0768INTERCHANGEABLE
GUARD,BRUSH,VEHICULAR
12490191
5330-01-565-4536INTERCHANGEABLE
GASKET
MS29512-04

Frequently Asked Questions

What is NSN 5331-00-263-8028?

NSN 5331-00-263-8028 is a O-Ring, manufactured by United Technologies Corp Electro Systems Inc, classified under FSC 5331 (O-Ring). Status: cancelled.

What are the part numbers for NSN 5331-00-263-8028?

NSN 5331-00-263-8028 has 50 cross-referenced part numbers: MS29512-04 (Goriziane Group Spa), 269-78REVAPC27 (Electric Boat Corporation Div General Dynamics Electric Boat), GA1070 (United Technologies Corp Electro Systems Inc), SRB4D016 (Le Joint Francais), MS29512-904 (Zf Industrieantriebe Witten Gmbh) and 45 more.

What NSN replaces 5331-00-263-8028?

There are 8 known substitutes for 5331-00-263-8028: 4730-00-010-2774, 5331-00-166-5994, 5961-00-462-2851 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of GA1070?

Key specifications for GA1070: Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; End Item Identification: W/S: DISPENSER PTBL M33A1; MISSILE, TOMAHAWK; AIRCRAFT, AIRLIFTER C-17A; SUPPORT EQUIPMENT, B-1 AIRCRAFT; AIRCRAFT (AC-130H, MC-130H, EC-130E, HC-130); TORPEDO, MK 48; FIRE PUMPS; ENGINE, AIRCRAFT TF33-PW-102 (C-135, EC-135H/K/P); GUN, 5-IN./54 CAL, MK-42 & 45; ENGINE, AIRCRAFT TF33-P-3/5/9 (C/EC-135, B-52H) A; Outside Diameter: 0.484 INCHES MINIMUM AND 0.506 INCHES MAXIMUM IN; Center Hole Diameter: 0.346 INCHES MINIMUM AND 0.356 INCHES MAXIMUM IN. 5 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5331-00-263-8028 still in active supply?

NSN 5331-00-263-8028 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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