PartsTable
Technical Data Sheet
N077 ✓ Verified by PartsTable
· GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_shape: STRAIGHT, bore_diameter: 12.00 MILLIMETERS NOMINAL MM, overall_width: 10.00 MILLIMETERS NOMINAL MM, load_direction: RADIAL, surface_finish: GROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-288-8335, 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
N077
NSN: 4820-00-288-8335
FSC: 4820
CAGE: 32869 — O. C. KECKLEY COMPANY (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
bore_diameter12.00 MILLIMETERS NOMINAL MM
overall_width10.00 MILLIMETERS NOMINAL MM
load_directionRADIAL
surface_finishGROUND
connection_typeTHREADED INTERNAL PIPE ALL ENDS
shield_quantity1
connection_stylePLAIN,OPTIONAL END(PIPE) ALL ENDS
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
thread_directionRIGHT-HAND ALL ENDS
features_providedBONNET PACKING
NSN4820-00-288-8335
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: N077 · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
NOMINAL THREAD SIZE: 4.000 INCHES ALL ENDS IN
MATERIAL: COPPER ALLOY STEM
MEDIA FOR WHICH DESIGNED: WATER, FRESH SINGLE RESPONSE
THREAD SERIES DESIGNATOR: NPT ALL ENDS
STYLE DESIGNATOR: ANGLE
RENEWABLE SEAT RING TYPE: THREADED
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD SIZE4.000 INCHES ALL ENDS IN
MATERIALCOPPER ALLOY STEM
MEDIA FOR WHICH DESIGNEDWATER, FRESH SINGLE RESPONSE
THREAD SERIES DESIGNATORNPT ALL ENDS
STYLE DESIGNATORANGLE
MATERIALCOPPER ALLOY FLOW CONTROL DEVICE
MATERIALIRON CAST BODY
RENEWABLE SEAT RING TYPETHREADED
MATERIALCOPPER ALLOY SEAT
THREAD DIRECTIONRIGHT-HAND ALL ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
505145ITEM7RInterchangeable
interchangeable cross-reference
interchangeable
31912PC23AInterchangeable
interchangeable cross-reference
interchangeable
177002PC79Interchangeable
interchangeable cross-reference
interchangeable
1215Interchangeable
Same NIIN cross-reference
interchangeable
DWGAL65031Interchangeable
Same NIIN cross-reference
interchangeable
FIG1110-R/3100-03Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is N077?
N077 is a BEARING,BALL,ANNULAR.
What parts can replace N077?
There are 10 known substitutes for N077: 505145ITEM7R, 31912PC23A, 177002PC79 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for N077?
N077 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-288-8335. This indicates validated use in U.S. government and defense supply chains.
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