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71-TBA — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

71-TBA: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include body_thickness: 0.250 INCHES NOMINAL IN, flange_thickness: 0.125 INCHES NOMINAL IN, end_item_identification: 4920-01-236-4555 MOBILE MAGNETIC PAR,TTU-432/E, first_recess_inside_height: 0.125 INCHES NOMINAL IN, cross-sectional_shape_style: RECESS, SAME SHAPE AS THE PERIPHERY. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-331-0781, 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
71-TBA
NSN: 5340-01-331-0781
NIINs: 013310781, 013603225
FSC: 5340 — Hardware, Commercial
CAGE: 07700 — TECHNICAL WIRE PRODUCTS, LLC DBA TWP (USA)
SPECIFICATIONS
body_thickness0.250 INCHES NOMINAL IN
flange_thickness0.125 INCHES NOMINAL IN
end_item_identification4920-01-236-4555 MOBILE MAGNETIC PAR,TTU-432/E
first_recess_inside_height0.125 INCHES NOMINAL IN
cross-sectional_shape_styleRECESS, SAME SHAPE AS THE PERIPHERY
NSN5340-01-331-0781
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 71-TBA 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
•
FLANGE THICKNESS: 0.125 INCHES NOMINAL IN
•
FIRST RECESS INSIDE HEIGHT: 0.125 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: RECESS, SAME SHAPE AS THE PERIPHERY
•
BODY THICKNESS: 0.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FLANGE THICKNESS0.125 INCHES NOMINAL IN
FIRST RECESS INSIDE HEIGHT0.125 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLERECESS, SAME SHAPE AS THE PERIPHERY
END ITEM IDENTIFICATION4920-01-236-4555 MOBILE MAGNETIC PAR,TTU-432/E
BODY THICKNESS0.250 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
1668AS425-1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 71-TBA?
71-TBA is a COVER,ACCESS.
What parts can replace 71-TBA?
There is 1 known substitute for 71-TBA: 1668AS425-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 71-TBA?
71-TBA is cataloged in the U.S. Government catalog under NSN 5340-01-331-0781. This indicates validated use in U.S. government and defense supply chains.
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