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Technical Data Sheet
PartsTable / MRO / 29631
29631 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
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

RESISTOR,VARIABLE,WIRE WOUND,PRE. Key specifications include material: STEEL CORROSION RESISTING OVERALL, body_style: CYLINDRICAL SERVO MOUNTED, body_length: 0.747 INCHES NOMINAL IN, shaft_style: ROUND, bearing_type: BALL SHAFT, pilot_length: 0.0620 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-911-6850, 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
MRO→ MRO_GENERAL→ 29631
NSN: 4730-00-911-6850
FSC: 4730
CAGE: 09445 — DUKES AEROSPACE, INC. (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
body_styleCYLINDRICAL SERVO MOUNTED
body_length0.747 INCHES NOMINAL IN
shaft_styleROUND
bearing_typeBALL SHAFT
pilot_length0.0620 INCHES NOMINAL IN
shaft_length0.500 INCHES NOMINAL IN
shaft_runout0.001 INCHES IN
thread_class2A FIRST END A
actuator_typeSINGLE SHAFT
body_diameter0.875 INCHES NOMINAL IN
lateral_runout0.0015 INCHES IN
NSN4730-00-911-6850
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 29631 · 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: ANODIZE OVERALL
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-A-8625 TY 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
NOMINAL OVERALL LENGTH: 0.615 INCHES IN
•
THREAD CLASS: 2A FIRST END A
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.250 INCHES SECOND END IN
•
CONNECTION STYLE: PLAIN (TUBE) SECOND END
•
TUBING WALL NOMINAL THICKNESS FOR WHICH DESIGNED: 0.035 INCHES SECOND END IN
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTANODIZE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625 TY 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
NOMINAL OVERALL LENGTH0.615 INCHES IN
THREAD CLASS2A FIRST END A
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES SECOND END IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES FIRST END IN
CONNECTION STYLEPLAIN (TUBE) SECOND END
TUBING WALL NOMINAL THICKNESS FOR WHICH DESIGNED0.035 INCHES SECOND END IN
MATERIALALUMINUM ALLOY 2024 OVERALL
THREAD SERIES DESIGNATORUNF FIRST END
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
296-31Interchangeable
interchangeable cross-reference
interchangeable
1201R1KInterchangeable
interchangeable cross-reference
interchangeable
895-29475Interchangeable
interchangeable cross-reference
interchangeable
L605A10Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 29631?
29631 is a RESISTOR,VARIABLE,WIRE WOUND,PRE. It is classified as a MRO (MRO_GENERAL).
What parts can replace 29631?
There are 4 known substitutes for 29631: 296-31, 1201R1K, 895-29475 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 29631?
29631 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-911-6850. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026