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88939 — SANDER,DISK,PNEUMATIC,PORTABLE

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

88939: SANDER,DISK,PNEUMATIC,PORTABLE.

The SANDER,DISK,PNEUMATIC,PORTABLE is a the manufacturer industrial component. Key specifications include thread_size: 5/16-24, spindle_type: FEMALE, overall_height: 4.0 INCHES NOMINAL IN, overall_length: 7.0 INCHES NOMINAL IN, features_provided: DIAL SPEED CONTROL AND NON-VACUUM BACKING PAD AND PADDLE SWITCH AND DUST EXTRACTION SYSTEM, horsepower_rating: 0.28. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-039-5374, 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→ 88939
NSN: 5310-00-039-5374
NIINs: 000395374, 006353566, 010297317, 016822754
FSC: 5310 — Nuts and Washers
CAGE: 73030 — HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE (USA)
SPECIFICATIONS
thread_size5/16-24
spindle_typeFEMALE
overall_height4.0 INCHES NOMINAL IN
overall_length7.0 INCHES NOMINAL IN
special_featuresORBITAL TYPE;ORBIT DIAMETER 0.3125;OPERATING AIR PRESSURE 90 PSI;AIR CONSUMPTION 17 CFM;SOUND POWER LEVEL 74 DBA;1.8 LBS;VIBRATION 3.6 M/S2 LBS
features_providedDIAL SPEED CONTROL AND NON-VACUUM BACKING PAD AND PADDLE SWITCH AND DUST EXTRACTION SYSTEM
horsepower_rating0.28
no_load_speed_in_rpm12000.0 NOMINAL
air_inlet_thread_size1/4 NPT FIRST CONNECTION
drive_axis_to_work_surface_relationshipVERTICAL
hose_inside_diameter_for_which_designed0.375 INCHES NOMINAL IN
sanding_pad_maximum_diameter_accommodated5.0 INCHES IN
NSN5310-00-039-5374
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 88939 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
OVERALL DIAMETER: 0.940 INCHES NOMINAL IN
•
HARDNESS RATING: 53.0 ROCKWELL C MINIMUM AND 58.0 ROCKWELL C MAXIMUM
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: STEEL OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
•
HOLE DIAMETER: 0.540 INCHES MINIMUM AND 0.548 INCHES MAXIMUM IN
•
THICKNESS: 0.058 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER0.940 INCHES NOMINAL IN
HARDNESS RATING53.0 ROCKWELL C MINIMUM AND 58.0 ROCKWELL C MAXIMUM
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
PERIPHERAL SHAPE STYLEROUND
MATERIALSTEEL OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.540 INCHES MINIMUM AND 0.548 INCHES MAXIMUM IN
THICKNESS0.058 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 1
5310000395374Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 88939?
88939 is a SANDER,DISK,PNEUMATIC,PORTABLE. It is classified as a MRO (MRO_GENERAL).
What parts can replace 88939?
There is 1 known substitute for 88939: 5310000395374. Substitute compatibility should be verified for your specific system.
What is the NSN for 88939?
88939 is cataloged in the U.S. Government catalog under NSN 5310-00-039-5374. This indicates validated use in U.S. government and defense supply chains.
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