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3SH71 — SEAL,PLAIN ENCASED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

3SH71: SEAL,PLAIN ENCASED.

The SEAL,PLAIN ENCASED is a the manufacturer industrial component. Key specifications include material: STEEL CASE, case_style: RECESSED, seal_width: 0.172 INCHES MINIMUM AND 0.202 INCHES MAXIMUM IN, housing_bore_diameter: 1.501 INCHES NOMINAL IN, sealing_element_style: ANGULAR, accommodated_shaft_diameter: 1.060 INCHES MINIMUM AND 1.062 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-548-6114, 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
3SH71
NSN: 5330-00-548-6114
FSC: 5330 — Packing and Gasket Materials
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
materialSTEEL CASE
case_styleRECESSED
seal_width0.172 INCHES MINIMUM AND 0.202 INCHES MAXIMUM IN
housing_bore_diameter1.501 INCHES NOMINAL IN
sealing_element_styleANGULAR
end_item_identificationNSN 2320-01-318-9902 HET (HEAVY EQUIPMENT TRANSPORTER); FAMILY OF HEMTT VEHICLES (HEAVY EXPANDED MOBILITY TACTICAL TRUCKS)
accommodated_shaft_diameter1.060 INCHES MINIMUM AND 1.062 INCHES MAXIMUM IN
NSN5330-00-548-6114
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3SH71 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
•
SEAL WIDTH: 0.172 INCHES MINIMUM AND 0.202 INCHES MAXIMUM IN
•
SEALING ELEMENT STYLE: ANGULAR
•
HOUSING BORE DIAMETER: 1.501 INCHES NOMINAL IN
•
CASE STYLE: RECESSED
•
ACCOMMODATED SHAFT DIAMETER: 1.060 INCHES MINIMUM AND 1.062 INCHES MAXIMUM IN
•
MATERIAL: STEEL CASE
TECHNICAL CHARACTERISTICS
SEAL WIDTH0.172 INCHES MINIMUM AND 0.202 INCHES MAXIMUM IN
SEALING ELEMENT STYLEANGULAR
HOUSING BORE DIAMETER1.501 INCHES NOMINAL IN
CASE STYLERECESSED
ACCOMMODATED SHAFT DIAMETER1.060 INCHES MINIMUM AND 1.062 INCHES MAXIMUM IN
END ITEM IDENTIFICATIONNSN 2320-01-318-9902 HET (HEAVY EQUIPMENT TRANSPORTER); FAMILY OF HEMTT VEHICLES (HEAVY EXPANDED MOBILITY TACTICAL TRUCKS)
MATERIALSTEEL CASE
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
SUBSTITUTES & CROSS-REFERENCES 1
27769Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3SH71?
3SH71 is a SEAL,PLAIN ENCASED.
What parts can replace 3SH71?
There is 1 known substitute for 3SH71: 27769. Substitute compatibility should be verified for your specific system.
What is the NSN for 3SH71?
3SH71 is cataloged in the U.S. Government catalog under NSN 5330-00-548-6114. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.