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87791-5901 — MANIFOLD,HYDRAULIC SYSTEM ACCESS

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

87791-5901: MANIFOLD,HYDRAULIC SYSTEM ACCESS.

MANIFOLD,HYDRAULIC SYSTEM ACCESS. Key specifications include material: ALUMINUM ALLOY, overall_length: 2.000 INCHES NOMINAL IN, end_item_identification: SHIP, OHIO CLASS SSN (TRIDENT), largest_outside_diameter: 0.856 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-119-2946, 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
87791-5901
NSN: 4820-01-119-2946
NIINs: 011192946, 011771017, 011932735
FSC: 4820 — Valves, Nonpowered
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
materialALUMINUM ALLOY
overall_length2.000 INCHES NOMINAL IN
end_item_identificationSHIP, OHIO CLASS SSN (TRIDENT)
largest_outside_diameter0.856 INCHES NOMINAL IN
NSN4820-01-119-2946
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 87791-5901 · 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
•
LARGEST OUTSIDE DIAMETER: 0.856 INCHES NOMINAL IN
•
MATERIAL: ALUMINUM ALLOY
TECHNICAL CHARACTERISTICS
LARGEST OUTSIDE DIAMETER0.856 INCHES NOMINAL IN
OVERALL LENGTH2.000 INCHES NOMINAL IN
MATERIALALUMINUM ALLOY
SUBSTITUTES & CROSS-REFERENCES 3
516-4775909 ITEM 3Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
516-4775909Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
4775901 ITEM 3Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 87791-5901?
87791-5901 is a MANIFOLD,HYDRAULIC SYSTEM ACCESS.
What parts can replace 87791-5901?
There are 3 known substitutes for 87791-5901: 516-4775909 ITEM 3, 516-4775909, 4775901 ITEM 3. Substitute compatibility should be verified for your specific system.
What is the NSN for 87791-5901?
87791-5901 is cataloged in the U.S. Government catalog under NSN 4820-01-119-2946. 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.