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AS1252K28 — TEE,TUBE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

AS1252K28: TEE,TUBE.

The TEE,TUBE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316 OVERALL, leg_length: 2.641 INCHES MINIMUM THIRD END IN, seat_angle: 37.0 DEGREES FIRST END, thread_class: 3A SECOND END A, connection_type: THREADED EXTERNAL TUBE SECOND END, connection_style: FLARED (TUBE) FIRST END. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-269-0201, 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
AS1252K28
NSN: 4730-01-269-0201
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
materialSTEEL COMP 316 OVERALL
leg_length2.641 INCHES MINIMUM THIRD END IN
seat_angle37.0 DEGREES FIRST END
thread_class3A SECOND END A
connection_typeTHREADED EXTERNAL TUBE SECOND END
connection_styleFLARED (TUBE) FIRST END
special_featuresKC127C-28; MACHINED GROOVE ON FLARED ENDS TO ACCOMMODATE SEAL RING PER KC103; BULKHEAD BRANCH
surface_treatmentPASSIVATE OVERALL
nominal_thread_size2.250 INCHES SECOND END IN
thread_quantity_per_inch12 FIRST END
thread_series_designatorUN FIRST END
criticality_code_justificationFEAT
NSN4730-01-269-0201
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: AS1252K28 · 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
•
CONNECTION STYLE: FLARED (TUBE) SECOND END
•
CRITICALITY CODE JUSTIFICATION: FEAT
•
CONNECTION TYPE: THREADED EXTERNAL TUBE THIRD END
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS
CONNECTION STYLEFLARED (TUBE) SECOND END
CONNECTION STYLEFLARED (TUBE) FIRST END
CONNECTION STYLEFLARED (TUBE) THIRD END
CRITICALITY CODE JUSTIFICATIONFEAT
CONNECTION TYPETHREADED EXTERNAL TUBE THIRD END
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END
CONNECTION TYPETHREADED EXTERNAL TUBE SECOND END
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED1.750 INCHES SECOND END IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED1.750 INCHES FIRST END IN
SUBSTITUTES & CROSS-REFERENCES 3
SAE-AS1252Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
KC127C28Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
KC127K28Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is AS1252K28?
AS1252K28 is a TEE,TUBE.
What parts can replace AS1252K28?
There are 3 known substitutes for AS1252K28: SAE-AS1252, KC127C28, KC127K28. Substitute compatibility should be verified for your specific system.
What is the NSN for AS1252K28?
AS1252K28 is cataloged in the U.S. Government catalog under NSN 4730-01-269-0201. This indicates validated use in U.S. government and defense supply chains.
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