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48-00-42 SH43 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

48-00-42 SH43: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, material_document_and_classification: ASTM-A-351 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-063-0075, 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
48-00-42 SH43
NSN: 4820-01-063-0075
FSC: 4820 — Valves, Nonpowered
CAGE: 1CC97 — HUNTINGTON INGALLS INCORPORATED DIV INGALLS SHIPBUILDING (USA)
SPECIFICATIONS
materialSTEEL OVERALL
material_document_and_classificationASTM-A-351 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN4820-01-063-0075
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 48-00-42 SH43 · 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM-A-351 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
MATERIAL DOCUMENT AND CLASSIFICATIONASTM-A-351 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 3
541-5182933ITEM6Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
541-5182933Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
55-01-02ITEM6Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 48-00-42 SH43?
48-00-42 SH43 is a SEAT,VALVE.
What parts can replace 48-00-42 SH43?
There are 3 known substitutes for 48-00-42 SH43: 541-5182933ITEM6, 541-5182933, 55-01-02ITEM6. Substitute compatibility should be verified for your specific system.
What is the NSN for 48-00-42 SH43?
48-00-42 SH43 is cataloged in the U.S. Government catalog under NSN 4820-01-063-0075. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.