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12563255 — ELBOW,BOSS

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

12563255: ELBOW,BOSS.

The ELBOW,BOSS is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 6061 OR ALUMINUM ALLOY 5083 OVERALL, flow_angle: 90.0 DEGREES, leg_length: 1.250 INCHES NOMINAL SECOND END IN, thread_class: 3B FIRST END, connection_type: THREADED INTERNAL BOSS ALL ENDS, connection_style: GASKET SEAL (BOSS) ALL ENDS. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-355-5906, 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
12563255
NSN: 4730-01-355-5906
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 06085 — BAE SYSTEMS LAND & ARMAMENTS L.P. (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 6061 OR ALUMINUM ALLOY 5083 OVERALL
flow_angle90.0 DEGREES
leg_length1.250 INCHES NOMINAL SECOND END IN
thread_class3B FIRST END
connection_typeTHREADED INTERNAL BOSS ALL ENDS
connection_styleGASKET SEAL (BOSS) ALL ENDS
special_features2 0.435 IN. ID MTG HOLES 1.750 IN. C TO C IN
surface_treatmentPAINT OVERALL
nominal_thread_size0.750 INCHES SECOND END IN
thread_series_designatorUNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS
material_document_and_classificationQQ-A-200/8 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-250/6 FED SPEC 2ND MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationMIL-C-22750 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN4730-01-355-5906
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 12563255 · 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
•
FLOW ANGLE: 90.0 DEGREES
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-C-22750 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
CONNECTION STYLE: GASKET SEAL (BOSS) ALL ENDS
•
CONNECTION TYPE: THREADED INTERNAL BOSS ALL ENDS
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-200/8 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-250/6 FED SPEC 2ND MATERIAL RESPONSE OVERALL
•
LEG LENGTH: 1.250 INCHES NOMINAL SECOND END IN
•
NOMINAL THREAD SIZE: 0.750 INCHES SECOND END IN
TECHNICAL CHARACTERISTICS
FLOW ANGLE90.0 DEGREES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-22750 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
CONNECTION STYLEGASKET SEAL (BOSS) ALL ENDS
CONNECTION TYPETHREADED INTERNAL BOSS ALL ENDS
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-200/8 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-250/6 FED SPEC 2ND MATERIAL RESPONSE OVERALL
LEG LENGTH1.250 INCHES NOMINAL SECOND END IN
LEG LENGTH3.250 INCHES NOMINAL FIRST END IN
NOMINAL THREAD SIZE0.750 INCHES SECOND END IN
NOMINAL THREAD SIZE0.875 INCHES FIRST END IN
SPECIAL FEATURES2 0.435 IN. ID MTG HOLES 1.750 IN. C TO C 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 12563255?
12563255 is a ELBOW,BOSS.
What is the NSN for 12563255?
12563255 is cataloged in the U.S. Government catalog under NSN 4730-01-355-5906. This indicates validated use in U.S. government and defense supply chains.
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