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308156 — ELBOW,TUBE TO BOSS

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

308156: ELBOW,TUBE TO BOSS.

The ELBOW,TUBE TO BOSS is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, flow_angle: 90.0 DEGREES, leg_length: 2.250 INCHES NOMINAL SECOND END IN, seat_angle: 37.0 DEGREES FIRST END, thread_class: 3A SECOND END A, connection_type: THREADED EXTERNAL BOSS SECOND END. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-680-6046, 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
308156
NSN: 5305-00-680-6046
NIINs: 006806046, 007786281
FSC: 5305 — Screws
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialSTEEL OVERALL
flow_angle90.0 DEGREES
leg_length2.250 INCHES NOMINAL SECOND END IN
seat_angle37.0 DEGREES FIRST END
thread_class3A SECOND END A
connection_typeTHREADED EXTERNAL BOSS SECOND END
connection_styleDOUBLE THREADED SECTION W/ GASKET AND LOCKNUT SEALING (BOSS) SECOND END
nominal_thread_size0.562 INCHES ALL ENDS IN
thread_series_designatorUNF ALL ENDS
furnished_items_and_quantity1 LOCKNUT
nominal_outside_diameter_tube_accommodated0.375 INCHES FIRST END IN
NSN5305-00-680-6046
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 308156 · 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: 0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN
•
SCREW SURFACE TREATMENT: NICKEL AND CADMIUM
•
FASTENER LENGTH: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: AMS 6304 ASSN STD SINGLE MATERIAL RESPONSE
•
THREAD LENGTH: 0.448 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
•
HARDNESS RATING: 32.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
•
HEAD STYLE: HEXAGON
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN
SCREW SURFACE TREATMENTNICKEL AND CADMIUM
FASTENER LENGTH0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6304 ASSN STD SINGLE MATERIAL RESPONSE
THREAD LENGTH0.448 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
HARDNESS RATING32.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM
NOMINAL THREAD DIAMETER0.190 INCHES IN
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 3
5305006806046Reference document
Same NSN cross-reference
Reference document — Secondary reference
D301293 FIND 7Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
MS9316-03Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 308156?
308156 is a ELBOW,TUBE TO BOSS.
What parts can replace 308156?
There are 3 known substitutes for 308156: 5305006806046, D301293 FIND 7, MS9316-03. Substitute compatibility should be verified for your specific system.
What is the NSN for 308156?
308156 is cataloged in the U.S. Government catalog under NSN 5305-00-680-6046. This indicates validated use in U.S. government and defense supply chains.
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