PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 7129 X 4
7129 X 4 ✓ 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 TUBE is a the manufacturer industrial component. Key specifications include special_features: ITEM CAN BE FOUND IN SAE J514, FIGURE 32.. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-278-5006, 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
7129 X 4
NSN: 4730-00-278-5006
FSC: 4730
CAGE: 79470 — DANA CORP WEATHERHEAD DIV (USA)
SPECIFICATIONS
special_featuresITEM CAN BE FOUND IN SAE J514, FIGURE 32.
NSN4730-00-278-5006
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 7129 X 4 · 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
KEY FEATURES
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-A-8625,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED: 0.250 INCHES NOMINAL IN
•
NONDEFINITIVE SPEC/STD DATA: 32 FIGURE
•
OPERATING PRESSURE: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
•
STYLE DESIGNATOR: CAP, TUBE, FLARED
•
MATERIAL: ALUMINUM ALLOY 2014 OVERALL
•
THREAD SERIES DESIGNATOR: UNF INTERNAL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-225/4,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED0.250 INCHES NOMINAL IN
NONDEFINITIVE SPEC/STD DATA32 FIGURE
OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
STYLE DESIGNATORCAP, TUBE, FLARED
MATERIALALUMINUM ALLOY 2014 OVERALL
THREAD SERIES DESIGNATORUNF INTERNAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/4,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTANODIZE OVERALL
THREAD CLASS3B INTERNAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 31
2781-4Interchangeable
interchangeable cross-reference
interchangeable
RH19B25Interchangeable
interchangeable cross-reference
interchangeable
16028P11Interchangeable
interchangeable cross-reference
interchangeable
4CInterchangeable
interchangeable cross-reference
interchangeable
AN74A6Interchangeable
interchangeable cross-reference
interchangeable
6026-7156-48Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 7129 X 4?
7129 X 4 is a ADAPTER,STRAIGHT,PIPE TO TUBE.
What parts can replace 7129 X 4?
There are 31 known substitutes for 7129 X 4: 2781-4, RH19B25, 16028P11 and 28 more. Substitute compatibility should be verified for your specific system.
Is 7129 X 4 still available?
7129 X 4 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