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PartsTable / COMPONENT / 12577040
12577040 ✓ Verified by PartsTable
— · HOSE FITTING
WHAT YOU NEED TO KNOW
PTFE tape on tapered threads (NPT/BSPT) JIC/AN flare connections seal metal-to-metal — no tape
NPT != BSPT — look identical, NOT interchangeable
PRODUCT OVERVIEW

The FITTING,LUBRICATION is a the manufacturer industrial component. Key specifications include phase: THREE INPUT, material: STEEL COMP 303, duty_cycle: CONTINUOUS, flat_depth: 0.020 INCHES NOMINAL SINGLE END IN, open_length: 7.000 INCHES NOMINAL IN, temp_rating: -65.0 OPERATING CELSIUS AND 125.0 OPERATING CELSIUS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-303-1332, 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
12577040
NSN: 4730-01-303-1332
FSC: 4730
CAGE: 19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)
SPECIFICATIONS
phaseTHREE INPUT
materialSTEEL COMP 303
duty_cycleCONTINUOUS
flat_depth0.020 INCHES NOMINAL SINGLE END IN
open_length7.000 INCHES NOMINAL IN
temp_rating-65.0 OPERATING CELSIUS AND 125.0 OPERATING CELSIUS
constructionONE-PIECE
winding_typeINDUCTION-SPLIT PHASE
belt_quantity6
closed_length4.600 INCHES NOMINAL IN
overall_width1.750 INCHES IN
closure_methodDETACHABLE COVER
NSN4730-01-303-1332
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 12577040 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
2651602Interchangeable
interchangeable cross-reference
interchangeable
B6-1Interchangeable
interchangeable cross-reference
interchangeable
1201-3 1-2Interchangeable
interchangeable cross-reference
interchangeable
B61-000Interchangeable
interchangeable cross-reference
interchangeable
BC14-130Interchangeable
interchangeable cross-reference
interchangeable
S7754Y-G69-01Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12577040?
12577040 is a FITTING,LUBRICATION.
What parts can replace 12577040?
There are 11 known substitutes for 12577040: 2651602, B6-1, 1201-3 1-2 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 12577040?
12577040 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-303-1332. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026