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Technical Data Sheet
2777-1 ✓ 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 TRANSFORMER,POWER is a the manufacturer industrial component. Key specifications include body_width: 2.550 INCHES MAXIMUM IN, body_height: 2.125 INCHES MAXIMUM IN, body_length: 3.050 INCHES MAXIMUM IN, inclosure_type: FULLY INCLOSED, mounting_method: THREADED HOLE(S) SINGLE GROUP, frequency_rating: 400.0 HERTZ NOMINAL SINGLE COMPONENT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-178-0083, 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
2777-1
NSN: 5330-01-178-0083
FSC: 5330
CAGE: 34087 — KITCO LLC (USA)
SPECIFICATIONS
body_width2.550 INCHES MAXIMUM IN
body_height2.125 INCHES MAXIMUM IN
body_length3.050 INCHES MAXIMUM IN
inclosure_typeFULLY INCLOSED
mounting_methodTHREADED HOLE(S) SINGLE GROUP
frequency_rating400.0 HERTZ NOMINAL SINGLE COMPONENT
special_featuresUSED ON P/N 392254-3 PRESSURE REGULATOR VALVE
style_designatorNON-CIRCULAR
bolt_hole_quantity4
nominal_thread_size0.164 INCHES SINGLE GROUP IN
winding_power_rating67.5 VOLTS-AMPERES SINGLE COMPONENT SECOND SECONDARY
reliability_indicatorNOT ESTABLISHED
NSN5330-01-178-0083
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2777-1 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
BOLT HOLE QUANTITY: 4
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR METAL
STYLE DESIGNATOR: NON-CIRCULAR
TECHNICAL CHARACTERISTICS (FLIS)
BOLT HOLE QUANTITY4
CROSS-SECTIONAL SHAPE STYLERECTANGULAR METAL
STYLE DESIGNATORNON-CIRCULAR
SPECIAL FEATURESUSED ON P/N 392254-3 PRESSURE REGULATOR VALVE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
704AS9821Interchangeable
interchangeable cross-reference
interchangeable
899821-1Interchangeable
interchangeable cross-reference
interchangeable
27771Interchangeable
interchangeable cross-reference
interchangeable
RAQ0238Interchangeable
interchangeable cross-reference
interchangeable
40003760Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2777-1?
2777-1 is a TRANSFORMER,POWER.
What parts can replace 2777-1?
There are 5 known substitutes for 2777-1: 704AS9821, 899821-1, 27771 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2777-1?
2777-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-178-0083. This indicates validated use in U.S. government and defense supply chains.
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