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Technical Data Sheet
PartsTable / COMPONENT / 12382021
12382021 ✓ 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 BAIL,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, inside_width: 3.800 INCHES NOMINAL IN, inside_length: 1.900 INCHES NOMINAL IN, style_designator: RECTANGULAR, attachment_method: PRESS FIT, compression_retaining_method: SPRING TENSION. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-370-7390, 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
12382021
NSN: 5340-01-370-7390
FSC: 5340
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
inside_width3.800 INCHES NOMINAL IN
inside_length1.900 INCHES NOMINAL IN
style_designatorRECTANGULAR
attachment_methodPRESS FIT
compression_retaining_methodSPRING TENSION
NSN5340-01-370-7390
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12382021 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
•
COMPRESSION RETAINING METHOD: SPRING TENSION
•
MATERIAL: STEEL CORROSION RESISTING
•
ATTACHMENT METHOD: PRESS FIT
•
INSIDE WIDTH: 3.800 INCHES NOMINAL IN
•
INSIDE LENGTH: 1.900 INCHES NOMINAL IN
•
STYLE DESIGNATOR: RECTANGULAR
TECHNICAL CHARACTERISTICS (FLIS)
COMPRESSION RETAINING METHODSPRING TENSION
MATERIALSTEEL CORROSION RESISTING
ATTACHMENT METHODPRESS FIT
INSIDE WIDTH3.800 INCHES NOMINAL IN
INSIDE LENGTH1.900 INCHES NOMINAL IN
STYLE DESIGNATORRECTANGULAR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
654132Interchangeable
interchangeable cross-reference
interchangeable
573324R91Interchangeable
interchangeable cross-reference
interchangeable
A308121AInterchangeable
interchangeable cross-reference
interchangeable
TB1Interchangeable
interchangeable cross-reference
interchangeable
3-3768-30-1Interchangeable
interchangeable cross-reference
interchangeable
3-3768-30Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12382021?
12382021 is a BAIL,RETAINING.
What parts can replace 12382021?
There are 6 known substitutes for 12382021: 654132, 573324R91, A308121A and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 12382021?
12382021 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-370-7390. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026