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164674 — TRANSFORMER,POWER

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

164674: TRANSFORMER,POWER.

The TRANSFORMER,POWER is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 172 OVERALL, body_width: 3.500 INCHES MAXIMUM IN, body_height: 3.560 INCHES MAXIMUM IN, body_length: 4.380 INCHES MAXIMUM IN, hole_diameter: 0.245 INCHES NOMINAL IN, overall_width: 3.950 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-864-4031, 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
164674
NSN: 5310-00-864-4031
NIINs: 008644031, 011670084
FSC: 5310 — Nuts and Washers
CAGE: 82106 — PARKER-HANNIFIN CORPORATION DBA CONTROL SYSTEMS DIVISION (USA)
SPECIFICATIONS
materialCOPPER ALLOY 172 OVERALL
body_width3.500 INCHES MAXIMUM IN
body_height3.560 INCHES MAXIMUM IN
body_length4.380 INCHES MAXIMUM IN
hole_diameter0.245 INCHES NOMINAL IN
overall_width3.950 INCHES MAXIMUM IN
inclosure_typeFULLY INCLOSED
overall_height0.044 INCHES NOMINAL IN
mounting_methodBRACKET(S) AND UNTHREADED HOLE(S) SINGLE GROUP
frequency_rating60.0 HERTZ NOMINAL SINGLE COMPONENT
outside_diameter0.620 INCHES NOMINAL IN
style_designatorSPRING TENSION
NSN5310-00-864-4031
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 164674 · 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
•
STYLE DESIGNATOR: SPRING TENSION
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-C-530 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 0.620 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.030 INCHES NOMINAL IN
•
MATERIAL: COPPER ALLOY 172 OVERALL
•
HOLE DIAMETER: 0.245 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.044 INCHES NOMINAL IN
STYLE DESIGNATORSPRING TENSION
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-530 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER0.620 INCHES NOMINAL IN
MATERIAL THICKNESS0.030 INCHES NOMINAL IN
MATERIALCOPPER ALLOY 172 OVERALL
HOLE DIAMETER0.245 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 164674?
164674 is a TRANSFORMER,POWER.
What is the NSN for 164674?
164674 is cataloged in the U.S. Government catalog under NSN 5310-00-864-4031. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.