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Technical Data Sheet
PartsTable / COMPONENT / HT2804 REF.SD2 1142
HT2804 REF.SD2 1142 ✓ 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 HT2804 REF.SD2 1142 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-242-3179, 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
HT2804 REF.SD2 1142
NSN: 4820-00-242-3179
FSC: 4820
CAGE: U11Y9 — BAE SYSTEMS SURFACE SHIPS LIMITED (GBR)
SPECIFICATIONS
Part NumberHT2804 REF.SD2 1142
NSN4820-00-242-3179
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: HT2804 REF.SD2 1142 · 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
•
CONNECTION TYPE: THREADED EXTERNAL PIPE ALL ENDS
•
CONNECTION STYLE: PLAIN (PIPE) ALL ENDS
•
VALVE OPERATION METHOD: MANUAL
•
MATERIAL: STEEL COMP 316 SEAT
•
BONNET ATTACHMENT METHOD: INTEGRAL
•
MATERIAL DOCUMENT AND CLASSIFICATION: FED STD 66,AISI 316/SAE 30316 FED STD SINGLE MATERIAL RESPONSE BODY
•
BONNET TYPE: INSIDE SCREW
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION TYPETHREADED EXTERNAL PIPE ALL ENDS
CONNECTION STYLEPLAIN (PIPE) ALL ENDS
VALVE OPERATION METHODMANUAL
MATERIALSTEEL COMP 316 SEAT
BONNET ATTACHMENT METHODINTEGRAL
MATERIAL DOCUMENT AND CLASSIFICATIONFED STD 66,AISI 316/SAE 30316 FED STD SINGLE MATERIAL RESPONSE BODY
MATERIALSTEEL COMP 316 BODY
BONNET TYPEINSIDE SCREW
STYLE DESIGNATORSTRAIGHT THRU
THREAD DIRECTIONRIGHT-HAND ALL ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
6181-72Interchangeable
interchangeable cross-reference
interchangeable
10409PC12Interchangeable
interchangeable cross-reference
interchangeable
10409Interchangeable
interchangeable cross-reference
interchangeable
4M-V4LR-SSInterchangeable
Same NIIN cross-reference
interchangeable
26012656Interchangeable
Same NIIN cross-reference
interchangeable
029977Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is HT2804 REF.SD2 1142?
HT2804 REF.SD2 1142 is a HT2804 REF.SD2 1142.
What parts can replace HT2804 REF.SD2 1142?
There are 9 known substitutes for HT2804 REF.SD2 1142: 6181-72, 10409PC12, 10409 and 6 more. Substitute compatibility should be verified for your specific system.
Is HT2804 REF.SD2 1142 still available?
HT2804 REF.SD2 1142 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