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3291656-1-1 — VALVE,BUTTERFLY

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

3291656-1-1: VALVE,BUTTERFLY.

The VALVE,BUTTERFLY is a the manufacturer industrial component. Key specifications include flange_shape: ROUND ALL ENDS, style_designator: STRAIGHT THRU FLANGED ENDS, flange_face_design: PLAIN ALL ENDS, end_item_identification: C5M ACFT, part_name_assigned_by_controlling_agency: ENGINE SHUTOFF VALVE, reference_number_differentiating_characteristics: AS DIFFERENTIATED BY SOURCE CONTROL DRAWING. This part is cataloged in the U.S.

Government catalog under NSN 4810-01-525-3376, 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
3291656-1-1
NSN: 4810-01-525-3376
FSC: 4810 — Valves, Powered
CAGE: 59364 — HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL DIV AEROSPACE - TEMPE (WEST WARNER ROAD) (USA)
SPECIFICATIONS
flange_shapeROUND ALL ENDS
style_designatorSTRAIGHT THRU FLANGED ENDS
flange_face_designPLAIN ALL ENDS
end_item_identificationC5M ACFT
part_name_assigned_by_controlling_agencyENGINE SHUTOFF VALVE
reference_number_differentiating_characteristicsAS DIFFERENTIATED BY SOURCE CONTROL DRAWING
NSN4810-01-525-3376
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 3291656-1-1 · 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
•
FLANGE SHAPE: ROUND ALL ENDS
•
FLANGE FACE DESIGN: PLAIN ALL ENDS
•
STYLE DESIGNATOR: STRAIGHT THRU FLANGED ENDS
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: AS DIFFERENTIATED BY SOURCE CONTROL DRAWING
TECHNICAL CHARACTERISTICS
FLANGE SHAPEROUND ALL ENDS
FLANGE FACE DESIGNPLAIN ALL ENDS
STYLE DESIGNATORSTRAIGHT THRU FLANGED ENDS
PART NAME ASSIGNED BY CONTROLLING AGENCYENGINE SHUTOFF VALVE
END ITEM IDENTIFICATIONC5M ACFT
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSAS DIFFERENTIATED BY SOURCE CONTROL DRAWING
OTHER ITEMS IN FSC 4810 — Valves, Powered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4810-00-001-1247 4810-00-001-4499 4810-00-001-4531 4810-00-001-4532 4810-00-001-4554 4810-00-001-4555 4810-00-001-4556 4810-00-001-4611
SUBSTITUTES & CROSS-REFERENCES 1
4A99049-101ASame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 3291656-1-1?
3291656-1-1 is a VALVE,BUTTERFLY.
What parts can replace 3291656-1-1?
There is 1 known substitute for 3291656-1-1: 4A99049-101A. Substitute compatibility should be verified for your specific system.
What is the NSN for 3291656-1-1?
3291656-1-1 is cataloged in the U.S. Government catalog under NSN 4810-01-525-3376. 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.