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1656307 — FLANGE,PIPE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

1656307: FLANGE,PIPE.

The FLANGE,PIPE is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY, thickness: 0.250 INCHES NOMINAL IN, bevel_depth: 0.100 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN, neck_height: 0.250 INCHES NOMINAL IN, flange_width: 1.875 INCHES NOMINAL IN, groove_depth: 0.055 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-247-3490, 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
1656307
NSN: 4730-00-247-3490
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialALUMINUM ALLOY
thickness0.250 INCHES NOMINAL IN
bevel_depth0.100 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN
neck_height0.250 INCHES NOMINAL IN
flange_width1.875 INCHES NOMINAL IN
groove_depth0.055 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
groove_width0.130 INCHES NOMINAL IN
thread_class3B
flange_length2.000 INCHES NOMINAL IN
neck_diameter1.250 INCHES NOMINAL IN
boss_bevel_angle15.0 DEGREES NOMINAL
style_designatorRECTANGULAR, WITH BOLT HOLES
NSN4730-00-247-3490
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 1656307 · 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
•
FACE SEATING SURFACE CONDITION: MACHINED
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-P-8585 MIL SPEC SINGLE TREATMENT RESPONSE
•
BOSS BEVEL ANGLE: 15.0 DEGREES NOMINAL
•
FLANGE SECTION STYLE: PLAIN FACE, BEVELED RAISED NECK
•
STYLE DESIGNATOR: RECTANGULAR, WITH BOLT HOLES
•
BOLT HOLE DIAMETER: 0.234 INCHES MINIMUM AND 0.240 INCHES MAXIMUM IN
•
NECK HEIGHT: 0.250 INCHES NOMINAL IN
•
BEVEL DEPTH: 0.100 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
FACE SEATING SURFACE CONDITIONMACHINED
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-P-8585 MIL SPEC SINGLE TREATMENT RESPONSE
BOSS BEVEL ANGLE15.0 DEGREES NOMINAL
FLANGE SECTION STYLEPLAIN FACE, BEVELED RAISED NECK
STYLE DESIGNATORRECTANGULAR, WITH BOLT HOLES
BOLT HOLE DIAMETER0.234 INCHES MINIMUM AND 0.240 INCHES MAXIMUM IN
NECK HEIGHT0.250 INCHES NOMINAL IN
BEVEL DEPTH0.100 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6,ALLOY 2024,T4 FED SPEC SINGLE MATERIAL RESPONSE
GROOVE DEPTH0.055 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
OTHER ITEMS IN FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4730-00-000-1895 4730-00-000-4289 4730-00-000-4445 4730-00-000-8373 4730-00-000-8897 4730-00-001-0007 4730-00-001-0008
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1656307?
1656307 is a FLANGE,PIPE.
What is the NSN for 1656307?
1656307 is cataloged in the U.S. Government catalog under NSN 4730-00-247-3490. This indicates validated use in U.S. government and defense supply chains.
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