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AN791-4 — ELBOW,PIPE TO TUBE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

AN791-4: ELBOW,PIPE TO TUBE.

The ELBOW,PIPE TO TUBE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, flow_angle: 45.0 DEGREES, leg_length: 0.500 INCHES NOMINAL SECOND END IN, seat_angle: 45.0 DEGREES FIRST END, thread_class: 3A FIRST END A, connection_type: THREADED EXTERNAL TUBE FIRST END. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-151-0223, 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
AN791-4
NSN: 5306-00-151-0223
NIINs: 001510223, 002315619
FSC: 5306 — Bolts
CAGE: 88044 — AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
flow_angle45.0 DEGREES
leg_length0.500 INCHES NOMINAL SECOND END IN
seat_angle45.0 DEGREES FIRST END
thread_class3A FIRST END A
connection_typeTHREADED EXTERNAL TUBE FIRST END
connection_stylePLAIN (PIPE) SECOND END
nominal_thread_size0.125 INCHES SECOND END IN
thread_series_designatorNPT SECOND END
specification/standard_data88044-AN791 GOVERNMENT STANDARD
nominal_outside_diameter_tube_accommodated0.250 INCHES FIRST END IN
NSN5306-00-151-0223
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: AN791-4 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
HEAD HEIGHT: 0.406 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.547 INCHES MINIMUM AND 1.594 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 0.844 INCHES MINIMUM AND 0.922 INCHES MAXIMUM IN
•
HARDNESS RATING: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
•
HOLE CONFIGURATION STYLE: HEXAGON FLATS
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-6050 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-6098 MIL SPEC 4TH MATERIAL RESPONSE OR MIL-S-6758 MIL SPEC 5TH MATERIAL RESPONSE OR AMS 6300 ASSN STD 6TH MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.562 INCHES IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.406 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
FASTENER LENGTH1.547 INCHES MINIMUM AND 1.594 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.844 INCHES MINIMUM AND 0.922 INCHES MAXIMUM IN
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
HOLE CONFIGURATION STYLEHEXAGON FLATS
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-6050 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-6098 MIL SPEC 4TH MATERIAL RESPONSE OR MIL-S-6758 MIL SPEC 5TH MATERIAL RESPONSE OR AMS 6300 ASSN STD 6TH MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.562 INCHES IN
FEATURES PROVIDEDFINISHED HEAD
HEAD STYLEHEXAGON
SUBSTITUTES & CROSS-REFERENCES 1
B6812Reference document
Same NSN cross-reference
Reference document — Identification reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is AN791-4?
AN791-4 is a ELBOW,PIPE TO TUBE.
What parts can replace AN791-4?
There is 1 known substitute for AN791-4: B6812. Substitute compatibility should be verified for your specific system.
What is the NSN for AN791-4?
AN791-4 is cataloged in the U.S. Government catalog under NSN 5306-00-151-0223. This indicates validated use in U.S. government and defense supply chains.
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