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7088739 — WASHER,KEY

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

7088739: WASHER,KEY.

The WASHER,KEY is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_diameter: 2.635 INCHES MINIMUM AND 2.665 INCHES MAXIMUM IN, outside_diameter: 3.812 INCHES MINIMUM AND 3.938 INCHES MAXIMUM IN, style_designator: KEY, material_thickness: 0.219 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN, internal_straight_key_width: 0.328 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-708-8739, 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
7088739
NSN: 5310-00-708-8739
FSC: 5310 — Nuts and Washers
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter2.635 INCHES MINIMUM AND 2.665 INCHES MAXIMUM IN
outside_diameter3.812 INCHES MINIMUM AND 3.938 INCHES MAXIMUM IN
special_featuresFOURTEEN 0.359 INCH DIAMETER HOLES EQUALLY SPACED ON 3.500 INCH DIAMETER BOLT CIRCLE; LOCATE 1ST HOLE 5.834 TO 6.166 DEGREES FROM CENTER OF INTERNAL KEY IN
style_designatorKEY
material_thickness0.219 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
internal_key_quantity1
internal_straight_key_width0.328 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN
distance_from_centerline_to_top_of_internal_key1.1562 INCHES NOMINAL IN
NSN5310-00-708-8739
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 7088739 · 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: 0.328 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN
•
DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY: 1.1562 INCHES NOMINAL IN
•
STYLE DESIGNATOR: KEY
•
OUTSIDE DIAMETER: 3.812 INCHES MINIMUM AND 3.938 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.219 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
•
MATERIAL: STEEL OVERALL
•
INTERNAL KEY QUANTITY: 1
TECHNICAL CHARACTERISTICS
INTERNAL STRAIGHT KEY WIDTH0.328 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN
DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY1.1562 INCHES NOMINAL IN
STYLE DESIGNATORKEY
OUTSIDE DIAMETER3.812 INCHES MINIMUM AND 3.938 INCHES MAXIMUM IN
MATERIAL THICKNESS0.219 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
SPECIAL FEATURESFOURTEEN 0.359 INCH DIAMETER HOLES EQUALLY SPACED ON 3.500 INCH DIAMETER BOLT CIRCLE; LOCATE 1ST HOLE 5.834 TO 6.166 DEGREES FROM CENTER OF INTERNAL KEY IN
MATERIALSTEEL OVERALL
INTERNAL KEY QUANTITY1
HOLE DIAMETER2.635 INCHES MINIMUM AND 2.665 INCHES MAXIMUM IN
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
SUBSTITUTES & CROSS-REFERENCES 1
5310007088739Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 7088739?
7088739 is a WASHER,KEY.
What parts can replace 7088739?
There is 1 known substitute for 7088739: 5310007088739. Substitute compatibility should be verified for your specific system.
What is the NSN for 7088739?
7088739 is cataloged in the U.S. Government catalog under NSN 5310-00-708-8739. This indicates validated use in U.S. government and defense supply chains.
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