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STSPB231 — SHAFT ASSEMBLY,TURBINE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

STSPB231: SHAFT ASSEMBLY,TURBINE.

The SHAFT ASSEMBLY,TURBINE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1137 OR STEEL COMP 1141 OVERALL, leg_length: 1.173 INCHES NOMINAL THIRD END IN, seat_angle: 12.0 DEGREES FIRST END, thread_class: 3A SECOND END BULKHEAD A, connection_type: THREADED EXTERNAL TUBE THIRD END, connection_style: FLARELESS (TUBE) FIRST END. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-209-2862, 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
STSPB231
NSN: 4730-01-209-2862
NIINs: 012092862, 012161070, 017105357
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 98897 — LOCKHEED MARTIN CORP (USA)
SPECIFICATIONS
materialSTEEL COMP 1137 OR STEEL COMP 1141 OVERALL
leg_length1.173 INCHES NOMINAL THIRD END IN
seat_angle12.0 DEGREES FIRST END
thread_class3A SECOND END BULKHEAD A
connection_typeTHREADED EXTERNAL TUBE THIRD END
connection_styleFLARELESS (TUBE) FIRST END
special_featuresWEAPON SYSTEM ESSENTIAL
surface_treatmentCADMIUM OVERALL
nominal_thread_size0.750 INCHES SECOND END BULKHEAD IN
end_item_identificationC-5 GALAXY AIRCRAFT
thread_series_designatorUNIFIED NATIONAL JOINT FINE (UNJF) FIRST END
criticality_code_justificationFEAT
NSN4730-01-209-2862
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: STSPB231 · 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
•
CRITICALITY CODE JUSTIFICATION: FEAT
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 1.000 INCHES ALL ENDS IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
CRITICALITY CODE JUSTIFICATIONFEAT
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED1.000 INCHES ALL ENDS IN
SPECIAL FEATURESWEAPON SYSTEM ESSENTIAL
END ITEM IDENTIFICATIONC-5 GALAXY AIRCRAFT
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 3
2-02295F161616Reference document
Same NSN cross-reference
Reference document — Secondary reference
GA7418F161616Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
STSPB231F161616Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is STSPB231?
STSPB231 is a SHAFT ASSEMBLY,TURBINE.
What parts can replace STSPB231?
There are 3 known substitutes for STSPB231: 2-02295F161616, GA7418F161616, STSPB231F161616. Substitute compatibility should be verified for your specific system.
What is the NSN for STSPB231?
STSPB231 is cataloged in the U.S. Government catalog under NSN 4730-01-209-2862. This indicates validated use in U.S. government and defense supply chains.
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