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915591 — SHAFT,SHOULDERED

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

915591: SHAFT,SHOULDERED.

The SHAFT,SHOULDERED is a the manufacturer industrial component. Key specifications include end_item_identification: F-22 AIRCRAFT. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-740-9655, 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
915591
NSN: 4820-00-740-9655
NIINs: 007409655, 016709012, 017090265
FSC: 4820 — Valves, Nonpowered
CAGE: 58275 — SASCO INC CANADIAN DIV
SPECIFICATIONS
end_item_identificationF-22 AIRCRAFT
NSN4820-00-740-9655
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 915591 · 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
•
FLOW CONTROL DEVICE: STEM
•
CONNECTION STYLE: PLAIN,OPTIONAL END(PIPE) ALL ENDS
•
CONNECTION TYPE: THREADED INTERNAL PIPE ALL ENDS
•
STYLE DESIGNATOR: ANGLE
•
OPERATING PRESSURE: 1250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
ADJUSTABLE PRESSURE RANGE: +800.0 TO 1250.0 POUNDS PER SQUARE INCH LBS
•
BONNET TYPE: INSIDE SPRING
•
THREAD DIRECTION: RIGHT-HAND ALL ENDS
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICESTEM
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) ALL ENDS
CONNECTION TYPETHREADED INTERNAL PIPE ALL ENDS
STYLE DESIGNATORANGLE
OPERATING PRESSURE1250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
ADJUSTABLE PRESSURE RANGE+800.0 TO 1250.0 POUNDS PER SQUARE INCH LBS
BONNET TYPEINSIDE SPRING
THREAD DIRECTIONRIGHT-HAND ALL ENDS
NOMINAL THREAD SIZE1.250 INCHES ALL ENDS IN
DISK LOADING METHODSPRING
SUBSTITUTES & CROSS-REFERENCES 6
HCF1535Reference document
Same NSN cross-reference
Reference document — Secondary reference
VR15CSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
113429R91Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
18110N2Reference document
Same NSN cross-reference
Reference document — Secondary reference
7409655Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
5204277Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 915591?
915591 is a SHAFT,SHOULDERED.
What parts can replace 915591?
There are 6 known substitutes for 915591: HCF1535, VR15C, 113429R91 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 915591?
915591 is cataloged in the U.S. Government catalog under NSN 4820-00-740-9655. 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.