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Technical Data Sheet
PartsTable / COMPONENT / 88-21755
88-21755 ✓ 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 ADAPTER,STRAIGHT,PIPE TO HOSE is a the manufacturer industrial component. Key specifications include shape: CYLINDRICAL, length: 16.300 INCHES NOMINAL IN, backhoe: NOT INCLUDED, diameter: 5.250 INCHES NOMINAL IN, material: ALUMINUM ALLOY, body_width: 0.725 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-230-6584, 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
88-21755
NSN: 4730-01-230-6584
FSC: 4730
CAGE: 30554 — DEPARTMENT OF DEFENSE PROJECT MANAGER-MOBILE ELECTRIC POWER (USA)
SPECIFICATIONS
shapeCYLINDRICAL
length16.300 INCHES NOMINAL IN
backhoeNOT INCLUDED
diameter5.250 INCHES NOMINAL IN
materialALUMINUM ALLOY
quantity1
body_width0.725 INCHES MAXIMUM IN
hole_punchINCLUDED
outriggersINCLUDED
body_length1.562 INCHES MAXIMUM IN
boom_designNONTELESCOPING
pile_driverNOT INCLUDED
NSN4730-01-230-6584
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 88-21755 · 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 16
13217E7108Interchangeable
interchangeable cross-reference
interchangeable
125HBL-5-4Interchangeable
interchangeable cross-reference
interchangeable
102-05-04Interchangeable
interchangeable cross-reference
interchangeable
105038-102Interchangeable
interchangeable cross-reference
interchangeable
B2MHC3SInterchangeable
interchangeable cross-reference
interchangeable
23-1499Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 88-21755?
88-21755 is a ADAPTER,STRAIGHT,PIPE TO HOSE.
What parts can replace 88-21755?
There are 16 known substitutes for 88-21755: 13217E7108, 125HBL-5-4, 102-05-04 and 13 more. Substitute compatibility should be verified for your specific system.
Is 88-21755 still available?
88-21755 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