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BM1276 ✓ Verified by PartsTable
— · PIPE SECTION
WHAT YOU NEED TO KNOW
Schedule = wall thickness, NOT diameter Nominal pipe size != actual OD
Sch 40 and Sch 80 same OD, different wall
PRODUCT OVERVIEW

CONNECTOR,RECEPTACLE,ELECTRICAL. Key specifications include material: COPPER ALLOY BODY, valve_size: 1.500 INCHES1.500 INCHES IN, flange_shape: ROUND WITH HOLES ALL ENDSROUND WITH HOLES ALL ENDS, overall_length: 3.600 INCHES NOMINAL IN, connection_type: FLANGE ALL ENDSFLANGE ALL ENDS, overall_diameter: 0.440 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4710-00-391-4178, 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
BM1276
NSN: 4710-00-391-4178
FSC: 4710
CAGE: 15434 — CUMMINS INC. (USA)
SPECIFICATIONS
materialCOPPER ALLOY BODY
valve_size1.500 INCHES1.500 INCHES IN
flange_shapeROUND WITH HOLES ALL ENDSROUND WITH HOLES ALL ENDS
overall_length3.600 INCHES NOMINAL IN
connection_typeFLANGE ALL ENDSFLANGE ALL ENDS
overall_diameter0.440 INCHES NOMINAL IN
style_designatorFLAT CENTER LOCK
mounting_positionHORIZONTALHORIZONTAL
nominal_thickness0.937 INCHES ALL ENDS0.937 INCHES ALL ENDS IN
precious_materialGOLD AND SILVER
split_rim_featureNOT INCLUDED
bolt_hole_quantity6 ALL ENDS6 ALL ENDS
NSN4710-00-391-4178
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: BM1276 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
900-39Interchangeable
interchangeable cross-reference
interchangeable
P80C14Interchangeable
interchangeable cross-reference
interchangeable
9477Interchangeable
interchangeable cross-reference
interchangeable
4-8001-00-91Interchangeable
interchangeable cross-reference
interchangeable
986-4Interchangeable
interchangeable cross-reference
interchangeable
CD90-009Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is BM1276?
BM1276 is a CONNECTOR,RECEPTACLE,ELECTRICAL.
What parts can replace BM1276?
There are 13 known substitutes for BM1276: 900-39, P80C14, 9477 and 10 more. Substitute compatibility should be verified for your specific system.
Is BM1276 still available?
BM1276 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026