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8671268 — FLANGE,PIPE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

8671268: FLANGE,PIPE.

The FLANGE,PIPE is a the manufacturer industrial component. Key specifications include material: STEEL, thickness: 0.438 INCHES NOMINAL IN, neck_height: 1.624 INCHES NOMINAL IN, flange_diameter: 3.750 INCHES NOMINAL IN, special_features: HOLES CITED PAC AECS THREADED 5/16-24UNF-3B, style_designator: ROUND, ONE BOLT HOLE CIRCLE. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-308-8645, 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
8671268
NSN: 4730-00-308-8645
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL
thickness0.438 INCHES NOMINAL IN
neck_height1.624 INCHES NOMINAL IN
flange_diameter3.750 INCHES NOMINAL IN
special_featuresHOLES CITED PAC AECS THREADED 5/16-24UNF-3B
style_designatorROUND, ONE BOLT HOLE CIRCLE
surface_treatmentPHOSPHATE
bolt_hole_diameter0.312 INCHES NOMINAL IN
bolt_hole_quantity3
nominal_thread_size1.250 INCHES IN
bolt_circle_diameter2.875 INCHES NOMINAL IN
reducer_flange_hole_typeCONCENTRIC
NSN4730-00-308-8645
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 8671268 · 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
•
FLANGE DIAMETER: 3.750 INCHES NOMINAL IN
•
FACE SEATING SURFACE CONDITION: MACHINED
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-P-16232,TY Z,CL 1 FED SPEC SINGLE TREATMENT RESPONSE
•
STYLE DESIGNATOR: ROUND, ONE BOLT HOLE CIRCLE
•
BOLT HOLE DIAMETER: 0.312 INCHES NOMINAL IN
•
NECK HEIGHT: 1.624 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE
•
NOMINAL THREAD SIZE: 1.250 INCHES IN
TECHNICAL CHARACTERISTICS
FLANGE DIAMETER3.750 INCHES NOMINAL IN
FACE SEATING SURFACE CONDITIONMACHINED
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-P-16232,TY Z,CL 1 FED SPEC SINGLE TREATMENT RESPONSE
STYLE DESIGNATORROUND, ONE BOLT HOLE CIRCLE
BOLT HOLE DIAMETER0.312 INCHES NOMINAL IN
NECK HEIGHT1.624 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE
NOMINAL THREAD SIZE1.250 INCHES IN
REDUCER FLANGE HOLE TYPECONCENTRIC
BOLT HOLE QUANTITY3
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 8671268?
8671268 is a FLANGE,PIPE.
What is the NSN for 8671268?
8671268 is cataloged in the U.S. Government catalog under NSN 4730-00-308-8645. This indicates validated use in U.S. government and defense supply chains.
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