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Technical Data Sheet
PartsTable / COMPONENT / 976-5 3 1/2IN
976-5 3 1/2IN ✓ 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 976-5 3 1/2IN is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-418-4829, 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
976-5 3 1/2IN
NSN: 4820-00-418-4829
FSC: 4820
CAGE: 84136 — ANCHOR/DARLING VALVE CO (USA)
SPECIFICATIONS
Part Number976-5 3 1/2IN
NSN4820-00-418-4829
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 976-5 3 1/2IN · 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
•
RENEWABLE SEAT RING TYPE: THREADED OR THREADED OR WELDEDWELDED
•
RAISED FACE NOMINAL DIAMETER: 5.500 INCHES IN
•
MATERIAL: COBALT ALLOY SEATSTEEL BODY
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE STEMA105,GRADE 2 ASSN STD SINGLE MATERIAL RESPONSE BODY
•
BOLT HOLE NOMINAL DIAMETER: 0.750 INCHES ALL ENDS IN
•
FACE TO FACE DISTANCE: 10.500 INCHES IN
•
MAXIMUM OPERATING TEMP: 500.0 FAHRENHEIT SINGLE RESPONSE500.0 FAHRENHEIT SINGLE RESPONSE DEGF
•
FLANGE SHAPE: ROUND WITH HOLES ALL ENDSROUND WITH HOLES ALL ENDS
TECHNICAL CHARACTERISTICS (FLIS)
RENEWABLE SEAT RING TYPETHREADED OR THREADED OR WELDEDWELDED
RAISED FACE NOMINAL DIAMETER5.500 INCHES IN
MATERIALCOBALT ALLOY SEATSTEEL BODY
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE STEMA105,GRADE 2 ASSN STD SINGLE MATERIAL RESPONSE BODY
BOLT HOLE NOMINAL DIAMETER0.750 INCHES ALL ENDS IN
FACE TO FACE DISTANCE10.500 INCHES IN
MAXIMUM OPERATING TEMP500.0 FAHRENHEIT SINGLE RESPONSE500.0 FAHRENHEIT SINGLE RESPONSE DEGF
FLANGE SHAPEROUND WITH HOLES ALL ENDSROUND WITH HOLES ALL ENDS
VALVE OPERATION METHODMANUALMANUAL
VALVE SIZE3.500 INCHES3.500 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
686Interchangeable
interchangeable cross-reference
interchangeable
49403Interchangeable
interchangeable cross-reference
interchangeable
SCC64250Interchangeable
interchangeable cross-reference
interchangeable
F11-0074C02TSInterchangeable
Same NIIN cross-reference
interchangeable
MIL-DTL-22052Interchangeable
Same NIIN cross-reference
interchangeable
MIL-V-22052Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 976-5 3 1/2IN?
976-5 3 1/2IN is a 976-5 3 1/2IN.
What parts can replace 976-5 3 1/2IN?
There are 9 known substitutes for 976-5 3 1/2IN: 686, 49403, SCC64250 and 6 more. Substitute compatibility should be verified for your specific system.
Is 976-5 3 1/2IN still available?
976-5 3 1/2IN is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026