PartsTable
Technical Data Sheet
3770-2 ✓ Verified by PartsTable
Lindy · 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 POST,BINDING,ELECTRICAL is a Lindy industrial component. Key specifications include material: STEEL COMP 3140 OVERALL, head_style: CROWNED HEXAGON, grip_length: 0.438 INCHES NOMINAL IN, head_height: 0.181 INCHES MINIMUM AND 0.195 INCHES MAXIMUM IN, thread_length: 0.375 INCHES MINIMUM IN, fastener_length: 0.812 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-072-2948, 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
3770-2
NSN: 5330-00-072-2948
FSC: 5330
CAGE: 38740 — RELIANCE ELECTRIC INDUSTRIAL CO MASTER DIV (USA)
SPECIFICATIONS
materialSTEEL COMP 3140 OVERALL
head_styleCROWNED HEXAGON
grip_length0.438 INCHES NOMINAL IN
head_height0.181 INCHES MINIMUM AND 0.195 INCHES MAXIMUM IN
thread_length0.375 INCHES MINIMUM IN
fastener_length0.812 INCHES NOMINAL IN
hardness_rating30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
features_providedFINISHED HEAD
width_between_flats0.625 INCHES NOMINAL IN
nominal_thread_diameter0.375 INCHES IN
thread_quantity_per_inch24
NSN5330-00-072-2948
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3770-2 MFR: Lindy ⚠ 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
F3076Interchangeable
interchangeable cross-reference
interchangeable
37702Interchangeable
interchangeable cross-reference
interchangeable
16-50549Interchangeable
interchangeable cross-reference
interchangeable
DF31RCInterchangeable
interchangeable cross-reference
interchangeable
06041-1Interchangeable
interchangeable cross-reference
interchangeable
05592-0003Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3770-2?
3770-2 is a POST,BINDING,ELECTRICAL manufactured by Lindy.
What parts can replace 3770-2?
There are 7 known substitutes for 3770-2: F3076, 37702, 16-50549 and 4 more. Substitute compatibility should be verified for your specific system.
Is 3770-2 still available?
3770-2 is currently cancelled.
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