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PartsTable / COMPONENT / 7827256-41
7827256-41 ✓ 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

SEAL,CONICAL,FLARED TUBE FITTING. Key specifications include material: ALUMINUM ALLOY 1100, body_length: 0.110 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN, wall_thickness: 0.010 INCHES NOMINAL IN, outside_diameter: 2.145 INCHES MINIMUM AND 2.150 INCHES MAXIMUM IN, special_features: NOT LOX CLEANED, style_designator: SEAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-070-8582, 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
7827256-41
NSN: 4730-01-070-8582
FSC: 4730
CAGE: 98748 — AIR FORCE UNITED STATES DEPARTMENT OF THE DBA TINKER AFB OC ALC DSP DIV DEPARTMENT OF THE AIR FORCE (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 1100
body_length0.110 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
wall_thickness0.010 INCHES NOMINAL IN
outside_diameter2.145 INCHES MINIMUM AND 2.150 INCHES MAXIMUM IN
special_featuresNOT LOX CLEANED
style_designatorSEAL
seat_angle_in_deg37.0
casehardening_indicatorNOT CASEHARDENED
end_item_identificationAIRCRAFT, STRATOFLEX C-135; B-52
material_document_and_classificationQQ-A-250/1,O FED SPEC 1ST MATERIAL RESPONSE OR AMS 4001 ASSN STD 2ND MATERIAL RESPONSE
hose/tube_outside_diameter_for_which_designed1.750 INCHES NOMINAL IN
NSN4730-01-070-8582
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 7827256-41 · 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
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
BODY LENGTH: 0.110 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 2.145 INCHES MINIMUM AND 2.150 INCHES MAXIMUM IN
•
SEAT ANGLE IN DEG: 37.0
•
HOSE/TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED: 1.750 INCHES NOMINAL IN
•
MATERIAL: ALUMINUM ALLOY 1100
TECHNICAL CHARACTERISTICS (FLIS)
CASEHARDENING INDICATORNOT CASEHARDENED
END ITEM IDENTIFICATIONAIRCRAFT, STRATOFLEX C-135; B-52
BODY LENGTH0.110 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
OUTSIDE DIAMETER2.145 INCHES MINIMUM AND 2.150 INCHES MAXIMUM IN
SEAT ANGLE IN DEG37.0
HOSE/TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED1.750 INCHES NOMINAL IN
SPECIAL FEATURESNOT LOX CLEANED
MATERIALALUMINUM ALLOY 1100
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/1,O FED SPEC 1ST MATERIAL RESPONSE OR AMS 4001 ASSN STD 2ND MATERIAL RESPONSE
STYLE DESIGNATORSEAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
VSF1015A32Interchangeable
interchangeable cross-reference
interchangeable
10630103-31Interchangeable
interchangeable cross-reference
interchangeable
55E211-D8Interchangeable
interchangeable cross-reference
interchangeable
10630103-13Interchangeable
interchangeable cross-reference
interchangeable
SECO7A8LInterchangeable
interchangeable cross-reference
interchangeable
7827256Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 7827256-41?
7827256-41 is a SEAL,CONICAL,FLARED TUBE FITTING.
What parts can replace 7827256-41?
There are 20 known substitutes for 7827256-41: VSF1015A32, 10630103-31, 55E211-D8 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 7827256-41?
7827256-41 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-070-8582. This indicates validated use in U.S. government and defense supply chains.
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Last verified: July 2026