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7371204 — WASHER,KEY

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

7371204: WASHER,KEY.

The WASHER,KEY is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_diameter: 1.406 INCHES NOMINAL IN, hardness_rating: 40.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM, outside_diameter: 1.812 INCHES NOMINAL IN, style_designator: KEY, material_thickness: 0.110 INCHES MINIMUM AND 0.114 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-737-1204, 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
7371204
NSN: 5310-00-737-1204
FSC: 5310 — Nuts and Washers
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter1.406 INCHES NOMINAL IN
hardness_rating40.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM
outside_diameter1.812 INCHES NOMINAL IN
style_designatorKEY
material_thickness0.110 INCHES MINIMUM AND 0.114 INCHES MAXIMUM IN
internal_key_quantity2
internal_straight_key_width0.135 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN
distance_from_centerline_to_top_of_internal_key0.570 INCHES MINIMUM AND 0.575 INCHES MAXIMUM IN
NSN5310-00-737-1204
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 7371204 · 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: 0.135 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN
•
DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY: 0.570 INCHES MINIMUM AND 0.575 INCHES MAXIMUM IN
•
HARDNESS RATING: 40.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM
•
STYLE DESIGNATOR: KEY
•
OUTSIDE DIAMETER: 1.812 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.110 INCHES MINIMUM AND 0.114 INCHES MAXIMUM IN
•
MATERIAL: STEEL OVERALL
•
INTERNAL KEY QUANTITY: 2
TECHNICAL CHARACTERISTICS
INTERNAL STRAIGHT KEY WIDTH0.135 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN
DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY0.570 INCHES MINIMUM AND 0.575 INCHES MAXIMUM IN
HARDNESS RATING40.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM
STYLE DESIGNATORKEY
OUTSIDE DIAMETER1.812 INCHES NOMINAL IN
MATERIAL THICKNESS0.110 INCHES MINIMUM AND 0.114 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
INTERNAL KEY QUANTITY2
HOLE DIAMETER1.406 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 5
A990Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
J2-30Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
R20882Reference document
Same NSN cross-reference
Reference document — Secondary reference
GP7771Reference document
Same NSN cross-reference
Reference document — Secondary reference
710WSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 7371204?
7371204 is a WASHER,KEY.
What parts can replace 7371204?
There are 5 known substitutes for 7371204: A990, J2-30, R20882 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 7371204?
7371204 is cataloged in the U.S. Government catalog under NSN 5310-00-737-1204. This indicates validated use in U.S. government and defense supply chains.
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