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Technical Data Sheet
71161 ✓ Verified by PartsTable
· ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The SPRING,SPIRAL,TORSION is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, center_hole_diameter: 1.710 INCHES MINIMUM AND 1.740 INCHES MAXIMUM IN, cross-sectional_height: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-383-8791, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
71161
NSN: 5330-00-383-8791
FSC: 5330
CAGE: 22593 — FITZGERALD GASKET A CO OF TANNETICS INC (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
center_hole_diameter1.710 INCHES MINIMUM AND 1.740 INCHES MAXIMUM IN
cross-sectional_height0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
NSN5330-00-383-8791
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 71161 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
INSIDE CORNER RADIUS: 0.438 INCHES NOMINAL IN
OUTSIDE CORNER RADIUS: 1.000 INCHES NOMINAL IN
APERTURE WIDTH: 4.375 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
CROSS-SECTIONAL THICKNESS: 0.125 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-12803,NO. +3415-A MIL SPEC ALL MATERIAL RESPONSES OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH28.875 INCHES NOMINAL IN
INSIDE CORNER RADIUS0.438 INCHES NOMINAL IN
OUTSIDE CORNER RADIUS1.000 INCHES NOMINAL IN
APERTURE WIDTH4.375 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OVERALL WIDTH5.500 INCHES NOMINAL IN
CROSS-SECTIONAL THICKNESS0.125 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-12803,NO. +3415-A MIL SPEC ALL MATERIAL RESPONSES OVERALL
APERTURE LENGTH27.750 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
C3402Interchangeable
interchangeable cross-reference
interchangeable
040-00073Interchangeable
interchangeable cross-reference
interchangeable
SMD632770Interchangeable
interchangeable cross-reference
interchangeable
71161Interchangeable
interchangeable cross-reference
interchangeable
5920Interchangeable
interchangeable cross-reference
interchangeable
TD0311Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 71161?
71161 is a SPRING,SPIRAL,TORSION.
What parts can replace 71161?
There are 10 known substitutes for 71161: C3402, 040-00073, SMD632770 and 7 more. Substitute compatibility should be verified for your specific system.
Is 71161 still available?
71161 is currently cancelled.
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