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Technical Data Sheet
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12257113 ✓ 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

The ELBOW,PIPE TO BOSS is a the manufacturer industrial component. Key specifications include flow_angle: 90.0 DEGREES, leg_length: 2.000 INCHES NOMINAL SECOND END IN, thread_class: 2A SECOND END A, connection_type: THREADED EXTERNAL BOSS SECOND END, connection_style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END, surface_treatment: CADMIUM OR ZINC OVERALL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-090-6474, 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
12257113
NSN: 4730-01-090-6474
FSC: 4730
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL COMP 1116 OR STEEL COMP 1117 OR STEEL COMP 1118 OR STEEL COMP 1137 OR STEEL COMP 12L14 OR STEEL COMP 1015 OR STEEL COMP 1030 OVERALL
flow_angle90.0 DEGREES
leg_length2.000 INCHES NOMINAL SECOND END IN
thread_class2A SECOND END A
connection_typeTHREADED EXTERNAL BOSS SECOND END
connection_styleEXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
surface_treatmentCADMIUM OR ZINC OVERALL
operating_pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size1.062 INCHES SECOND END IN
maximum_operating_temp500.0 FAHRENHEIT SINGLE RESPONSE DEGF
media_for_which_designedHYDRAULIC FLUID SINGLE RESPONSE
thread_quantity_per_inch12 SECOND END
NSN4730-01-090-6474
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 12257113 · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OR QQ-Z-325,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
LEG LENGTH: 2.000 INCHES NOMINAL SECOND END IN
•
CONNECTION STYLE: PLAIN (PIPE) FIRST END
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A576 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A108 ASSN STD 2ND MATERIAL RESPONSE OVERALL
•
THREAD SERIES DESIGNATOR: UN SECOND END
•
NOMINAL THREAD SIZE: 1.062 INCHES SECOND END IN
•
OPERATING PRESSURE: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OR QQ-Z-325,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
LEG LENGTH2.000 INCHES NOMINAL SECOND END IN
CONNECTION STYLEPLAIN (PIPE) FIRST END
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A576 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A108 ASSN STD 2ND MATERIAL RESPONSE OVERALL
THREAD SERIES DESIGNATORUN SECOND END
LEG LENGTH0.810 INCHES NOMINAL FIRST END IN
NOMINAL THREAD SIZE1.062 INCHES SECOND END IN
OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
SURFACE TREATMENTCADMIUM OR ZINC OVERALL
MEDIA FOR WHICH DESIGNEDHYDRAULIC FLUID SINGLE RESPONSE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
QQ-A-250/12-0,0.125X48X12Interchangeable
interchangeable cross-reference
interchangeable
10164362Interchangeable
interchangeable cross-reference
interchangeable
AMS-QQ-A-250/12Interchangeable
interchangeable cross-reference
interchangeable
AN103866Interchangeable
Same NIIN cross-reference
interchangeable
12-3/4AEOGSInterchangeable
Same NIIN cross-reference
interchangeable
12AEOG-SInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12257113?
12257113 is a ELBOW,PIPE TO BOSS.
What parts can replace 12257113?
There are 8 known substitutes for 12257113: QQ-A-250/12-0,0.125X48X12, 10164362, AMS-QQ-A-250/12 and 5 more. Substitute compatibility should be verified for your specific system.
Is 12257113 still available?
12257113 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026