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156 ITEM 72 — WASHER,KEY

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

156 ITEM 72: WASHER,KEY.

The WASHER,KEY is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_diameter: 1.234 INCHES NOMINAL IN, outside_diameter: 1.594 INCHES NOMINAL IN, style_designator: KEY, material_thickness: 0.062 INCHES NOMINAL IN, external_key_quantity: 15. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-987-7805, 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
156 ITEM 72
NSN: 5310-00-987-7805
FSC: 5310 — Nuts and Washers
CAGE: K7018 — WELLMAN GROUP (GBR)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter1.234 INCHES NOMINAL IN
outside_diameter1.594 INCHES NOMINAL IN
style_designatorKEY
material_thickness0.062 INCHES NOMINAL IN
external_key_quantity15
internal_key_quantity1
external_straight_key_width0.156 INCHES NOMINAL IN
internal_straight_key_width0.172 INCHES NOMINAL IN
overall_distance_including_keys1.859 INCHES NOMINAL IN
distance_from_centerline_to_top_of_internal_key0.531 INCHES NOMINAL IN
NSN5310-00-987-7805
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 156 ITEM 72 · 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
•
INTERNAL STRAIGHT KEY WIDTH: 0.172 INCHES NOMINAL IN
•
DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY: 0.531 INCHES NOMINAL IN
•
OVERALL DISTANCE INCLUDING KEYS: 1.859 INCHES NOMINAL IN
•
STYLE DESIGNATOR: KEY
•
OUTSIDE DIAMETER: 1.594 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.062 INCHES NOMINAL IN
•
EXTERNAL STRAIGHT KEY WIDTH: 0.156 INCHES NOMINAL IN
•
EXTERNAL KEY QUANTITY: 15
TECHNICAL CHARACTERISTICS
INTERNAL STRAIGHT KEY WIDTH0.172 INCHES NOMINAL IN
DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY0.531 INCHES NOMINAL IN
OVERALL DISTANCE INCLUDING KEYS1.859 INCHES NOMINAL IN
STYLE DESIGNATORKEY
OUTSIDE DIAMETER1.594 INCHES NOMINAL IN
MATERIAL THICKNESS0.062 INCHES NOMINAL IN
EXTERNAL STRAIGHT KEY WIDTH0.156 INCHES NOMINAL IN
EXTERNAL KEY QUANTITY15
MATERIALSTEEL OVERALL
INTERNAL KEY QUANTITY1
SUBSTITUTES & CROSS-REFERENCES 4
X5008/12/156 ITEM 72Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
P80425Reference document
Same NSN cross-reference
Reference document — Secondary reference
X5008/12/156/72Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
156/72Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 156 ITEM 72?
156 ITEM 72 is a WASHER,KEY.
What parts can replace 156 ITEM 72?
There are 4 known substitutes for 156 ITEM 72: X5008/12/156 ITEM 72, P80425, X5008/12/156/72 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 156 ITEM 72?
156 ITEM 72 is cataloged in the U.S. Government catalog under NSN 5310-00-987-7805. This indicates validated use in U.S. government and defense supply chains.
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