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BM581-1-7-83179 — COVER,ELECTRONIC COMMUNICATION E

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

BM581-1-7-83179: COVER,ELECTRONIC COMMUNICATION E.

COVER,ELECTRONIC COMMUNICATION E. Key specifications include material: STEEL OR IRON OVERALL, head_type: SOLID, seat_type: BEVELED, flow_angle: 90.0 DEGREES, leg_length: 0.875 INCHES NOMINAL ALL ENDS IN, sweep_type: SHORT. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-255-8254, 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
BM581-1-7-83179
NSN: 4730-00-255-8254
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 19422 — DEMARKUS CORP REFRIGERATION ENGINEERING CORP (USA)
SPECIFICATIONS
materialSTEEL OR IRON OVERALL
head_typeSOLID
seat_typeBEVELED
flow_angle90.0 DEGREES
leg_length0.875 INCHES NOMINAL ALL ENDS IN
sweep_typeSHORT
reducer_typeCONCENTRIC
inlet_locationRIGHT-HAND SIDE SINGLE INLET
connection_typeTHREADED INTERNAL PIPE ALL ENDS
connection_stylePLAIN (PIPE) ALL ENDS
special_features45 DEG BEND;2.000 IN. PIPE, 11 1/2 NPT IN
style_designatorPLAIN W/CONCAVE SIDES
NSN4730-00-255-8254
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: BM581-1-7-83179 · OEM ⚠ VERIFY BEFORE ORDERING NPT ≠ BSPT — tapered threads look identical but are NOT interchangeable. Wrong thread = leak. JIC (37°) ≠ AN (37°) ≠ SAE 45° — flare angles must match exactly. Measure thread pitch with gauge — visual identification is unreliable ✓ BROKER TIP Always use thread sealant (PTFE tape or pipe compound) on tapered threads (NPT/BSPT). JIC/AN flare fittings seal metal-to-metal — never use tape on flare connections PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
SUBSTITUTES & CROSS-REFERENCES 6
P27587Reference document
Same NSN cross-reference
Reference document — Secondary reference
WW-P-521Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
144151Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
WWP521TYPE2Reference document
Same NSN cross-reference
Reference document — Identification reference
1107-1/4Reference document
Same NSN cross-reference
Reference document — Secondary reference
269-401Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is BM581-1-7-83179?
BM581-1-7-83179 is a COVER,ELECTRONIC COMMUNICATION E.
What parts can replace BM581-1-7-83179?
There are 6 known substitutes for BM581-1-7-83179: P27587, WW-P-521, 144151 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for BM581-1-7-83179?
BM581-1-7-83179 is cataloged in the U.S. Government catalog under NSN 4730-00-255-8254. This indicates validated use in U.S. government and defense supply chains.
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