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2640642 — TRANSMITTER,COUNTERMEASURES

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

2640642: TRANSMITTER,COUNTERMEASURES.

The TRANSMITTER,COUNTERMEASURES is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY BODY, valve_size: 1.100 INCHES IN, flange_shape: ROUND WITH HOLES ALL ENDS, connection_type: FLANGE ALL ENDS, style_designator: STRAIGHT THRU FLANGED ENDS, nominal_thickness: 0.788 INCHES ALL ENDS IN. This part is cataloged in the U.S.

Government catalog under NSN 4710-00-984-0449, 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
MRO→ MRO_GENERAL→ 2640642
NSN: 4710-00-984-0449
NIINs: 009840449, 011259811, 012133190
FSC: 4710 — Pipe, Tube and Rigid Tubing
CAGE: 06848 — HONEYWELL INTERNATIONAL INC DIV AEROSPACE-SOUTH BEND (BENDIX DR) (USA)
SPECIFICATIONS
materialNICKEL ALLOY BODY
valve_size1.100 INCHES IN
flange_shapeROUND WITH HOLES ALL ENDS
connection_typeFLANGE ALL ENDS
style_designatorSTRAIGHT THRU FLANGED ENDS
nominal_thickness0.788 INCHES ALL ENDS IN
bolt_hole_quantity4 ALL ENDS
flange_face_designPLAIN ALL ENDS
face_to_face_distance8.200 INCHES IN
valve_operation_methodMANUAL
nominal_outside_diameter4.275 INCHES ALL ENDS IN
bolt_hole_nominal_diameter0.560 INCHES ALL ENDS IN
NSN4710-00-984-0449
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 2640642 · OEM ⚠ VERIFY BEFORE ORDERING Schedule = wall thickness, NOT pipe diameter. Sch 40 and Sch 80 have the same OD but different wall thickness. Nominal pipe size ≠ actual OD — a 1" pipe is actually 1.315" OD ✓ BROKER TIP Sch 40 = standard wall, Sch 80 = heavy wall (higher pressure), Sch 160 = extra heavy. Seamless pipe is required for high-pressure applications — welded pipe has lower ratings PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 2640642?
2640642 is a TRANSMITTER,COUNTERMEASURES. It is classified as a MRO (MRO_GENERAL).
What is the NSN for 2640642?
2640642 is cataloged in the U.S. Government catalog under NSN 4710-00-984-0449. 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.