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7970-21 — TRANSFORMER,POWER

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

7970-21: TRANSFORMER,POWER.

The TRANSFORMER,POWER is a the manufacturer industrial component. Key specifications include material: STEEL COMP 630 OVERALL, surface_finish: 32.0 MICROINCHES OUTSIDE DIAMETER, first_end_style: CHAMFERED, pin_overall_length: 5.060 INCHES NOMINAL IN, first_hole_diameter: 0.106 INCHES NOMINAL IN, pin_overall_diameter: 0.4990 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-032-1185, 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
7970-21
NSN: 5315-01-032-1185
NIINs: 010321185, 012720012
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 82340 — L3HARRIS TECHNOLOGIES, INC. DIV SPACE AND AIRBORNE SYSTEMS (USA)
SPECIFICATIONS
materialSTEEL COMP 630 OVERALL
surface_finish32.0 MICROINCHES OUTSIDE DIAMETER
first_end_styleCHAMFERED
pin_overall_length5.060 INCHES NOMINAL IN
first_hole_diameter0.106 INCHES NOMINAL IN
pin_overall_diameter0.4990 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN
second_hole_diameter0.106 INCHES NOMINAL IN
first_end_taper_angle45.0 DEGREES NOMINAL
first_end_taper_length0.030 INCHES NOMINAL IN
hole_arrangement_styleBOTH END DRILLED
material_document_and_classificationAMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
second_end_relationship_with_first_endIDENTICAL
NSN5315-01-032-1185
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 7970-21 · 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
•
SURFACE FINISH: 32.0 MICROINCHES OUTSIDE DIAMETER
•
FIRST END TAPER LENGTH: 0.030 INCHES NOMINAL IN
•
HOLE ARRANGEMENT STYLE: BOTH END DRILLED
•
FIRST END STYLE: CHAMFERED
•
FIRST HOLE DIAMETER: 0.106 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
FIRST END TAPER ANGLE: 45.0 DEGREES NOMINAL
•
PIN OVERALL DIAMETER: 0.4990 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
SURFACE FINISH32.0 MICROINCHES OUTSIDE DIAMETER
FIRST END TAPER LENGTH0.030 INCHES NOMINAL IN
HOLE ARRANGEMENT STYLEBOTH END DRILLED
FIRST END STYLECHAMFERED
FIRST HOLE DIAMETER0.106 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
FIRST END TAPER ANGLE45.0 DEGREES NOMINAL
PIN OVERALL DIAMETER0.4990 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN
PIN OVERALL LENGTH5.060 INCHES NOMINAL IN
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 7970-21?
7970-21 is a TRANSFORMER,POWER.
What is the NSN for 7970-21?
7970-21 is cataloged in the U.S. Government catalog under NSN 5315-01-032-1185. This indicates validated use in U.S. government and defense supply chains.
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