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5179402 — WASHER,KEY

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

5179402: WASHER,KEY.

The WASHER,KEY is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY C OVERALL, hole_diameter: 0.468 INCHES MINIMUM AND 0.470 INCHES MAXIMUM IN, outside_diameter: 0.578 INCHES MINIMUM AND 0.609 INCHES MAXIMUM IN, special_features: ONE INTERNAL KEY 0.060 IN. WIDE BY 0.032 IN.

LG. 90 DEG FROM EITHER EXTERNAL KEY IN, style_designator: KEY, surface_treatment: OXIDE FILM OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-638-0252, 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
5179402
NSN: 5310-00-638-0252
FSC: 5310 — Nuts and Washers
CAGE: 19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)
SPECIFICATIONS
materialCOPPER ALLOY C OVERALL
hole_diameter0.468 INCHES MINIMUM AND 0.470 INCHES MAXIMUM IN
outside_diameter0.578 INCHES MINIMUM AND 0.609 INCHES MAXIMUM IN
special_featuresONE INTERNAL KEY 0.060 IN. WIDE BY 0.032 IN. LG. 90 DEG FROM EITHER EXTERNAL KEY IN
style_designatorKEY
surface_treatmentOXIDE FILM OVERALL
material_thickness0.025 INCHES NOMINAL IN
angle_between_external_keys30.0 DEGREES NOMINAL
external_straight_key_width0.078 INCHES MINIMUM AND 0.109 INCHES MAXIMUM IN
external_straight_key_length0.078 INCHES NOMINAL IN
overall_distance_including_keys0.671 INCHES NOMINAL IN
material_document_and_classificationQQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-638-0252
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 5179402 · 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
•
EXTERNAL STRAIGHT KEY LENGTH: 0.078 INCHES NOMINAL IN
•
DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY: 0.444 INCHES MAXIMUM IN
•
OVERALL DISTANCE INCLUDING KEYS: 0.671 INCHES NOMINAL IN
•
STYLE DESIGNATOR: KEY
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 0.578 INCHES MINIMUM AND 0.609 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.025 INCHES NOMINAL IN
•
EXTERNAL STRAIGHT KEY WIDTH: 0.078 INCHES MINIMUM AND 0.109 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
EXTERNAL STRAIGHT KEY LENGTH0.078 INCHES NOMINAL IN
DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY0.444 INCHES MAXIMUM IN
OVERALL DISTANCE INCLUDING KEYS0.671 INCHES NOMINAL IN
STYLE DESIGNATORKEY
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER0.578 INCHES MINIMUM AND 0.609 INCHES MAXIMUM IN
MATERIAL THICKNESS0.025 INCHES NOMINAL IN
EXTERNAL STRAIGHT KEY WIDTH0.078 INCHES MINIMUM AND 0.109 INCHES MAXIMUM IN
COLORBLACK OVERALL
SPECIAL FEATURESONE INTERNAL KEY 0.060 IN. WIDE BY 0.032 IN. LG. 90 DEG FROM EITHER EXTERNAL KEY IN
SUBSTITUTES & CROSS-REFERENCES 2
112321Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
5310006380252Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 5179402?
5179402 is a WASHER,KEY.
What parts can replace 5179402?
There are 2 known substitutes for 5179402: 112321, 5310006380252. Substitute compatibility should be verified for your specific system.
What is the NSN for 5179402?
5179402 is cataloged in the U.S. Government catalog under NSN 5310-00-638-0252. This indicates validated use in U.S. government and defense supply chains.
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