PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4010-99O-Ring

Circor Aerospace, Inc. Dba Circor Aerospace Inc · NSN 5331-00-800-7256 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-800-7256 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-800-7256. Primary manufacturer part number: 4010-99.
Features
  • O-Ring — FSC 5331
  • Cross-Sectional Height: 0.070 INCHES NOMINAL IN
  • Material: RUBBER SYNTHETIC
  • 3 verified cross-references
  • Primary manufacturer: Circor Aerospace, Inc. Dba Circor Aerospace Inc
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 5331-00-800-7256, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Circor Aerospace, Inc. Dba Circor Aerospace Inc. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-00-800-7256
Primary Part Number4010-99
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerCircor Aerospace, Inc. Dba Circor Aerospace Inc
StatusACTIVE
Cross-Sectional Height0.070 INCHES NOMINAL IN
MaterialRUBBER SYNTHETIC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
3040-00-012-40352437507 INTERCHANGEABLE
Gearshaft,spur
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5305-00-013-211910-16487 INTERCHANGEABLE
Screw,machine
Precision Aerospace Corporation Dba Precision Engine Control
1680-00-105-950440104-9 INTERCHANGEABLE
Cover,switch Box
Honeywell International Inc. Div Aerospace - Torrance
5985-00-432-324040-1099 INTERCHANGEABLE
Adapter,waveguide
Microwave Engineering Corporation
5930-00-548-8998E64127M INTERCHANGEABLE
Switch,push-Pull
Chrysler Realty Company Llc Dba Daimler Chrysler
3110-00-942-1873500552 INTERCHANGEABLE
Bearing,roller,cylindrical
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
5998-01-029-3832401099 INTERCHANGEABLE
P.c. Board
Marine Electric Systems Inc
Cross-Reference Index
Part NumberManufacturer
4010-99 PRIMARY Circor Aerospace, Inc. Dba Circor Aerospace Inc (USA)
5005-49 Circor Aerospace, Inc. Dba Circor Aerospace Inc (USA)
4010-49 Circor Aerospace, Inc. Dba Circor Aerospace Inc (USA)
Related Parts
3040-00-012-4035INTERCHANGEABLE
GEARSHAFT,SPUR
2437507
5305-00-013-2119INTERCHANGEABLE
SCREW,MACHINE
10-16487
1680-00-105-9504INTERCHANGEABLE
COVER,SWITCH BOX
40104-9
5985-00-432-3240INTERCHANGEABLE
ADAPTER,WAVEGUIDE
40-1099
5930-00-548-8998INTERCHANGEABLE
SWITCH,PUSH-PULL
E64127M
3110-00-942-1873INTERCHANGEABLE
BEARING,ROLLER,CYLINDRICAL
500552
5998-01-029-3832INTERCHANGEABLE
P.C. BOARD
401099

Frequently Asked Questions

What is NSN 5331-00-800-7256?

NSN 5331-00-800-7256 is a O-Ring, manufactured by Circor Aerospace, Inc. Dba Circor Aerospace Inc, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-00-800-7256?

NSN 5331-00-800-7256 has 3 cross-referenced part numbers: 4010-99 (Circor Aerospace, Inc. Dba Circor Aerospace Inc), 5005-49 (Circor Aerospace, Inc. Dba Circor Aerospace Inc), 4010-49 (Circor Aerospace, Inc. Dba Circor Aerospace Inc).

What NSN replaces 5331-00-800-7256?

There are 7 known substitutes for 5331-00-800-7256: 3040-00-012-4035, 5305-00-013-2119, 1680-00-105-9504 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4010-99?

Key specifications for 4010-99: Cross-Sectional Height: 0.070 INCHES NOMINAL IN; Material: RUBBER SYNTHETIC. 2 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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