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158572-904 — WASHER,KEYWAY

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

158572-904: WASHER,KEYWAY.

The WASHER,KEYWAY is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_diameter: 1.185 INCHES NOMINAL IN, outside_diameter: 2.272 INCHES NOMINAL IN, material_thickness: 0.063 INCHES NOMINAL IN, external_keyway_width: 0.062 INCHES NOMINAL IN, external_keyway_length: 0.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-102-4660, 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
158572-904
NSN: 5310-00-102-4660
FSC: 5310 — Nuts and Washers
CAGE: 93236 — DRESSER-RAND CO WORTHINGTON COMPRESSOR OPN A JOINT VENTURE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter1.185 INCHES NOMINAL IN
outside_diameter2.272 INCHES NOMINAL IN
material_thickness0.063 INCHES NOMINAL IN
external_keyway_width0.062 INCHES NOMINAL IN
external_keyway_length0.250 INCHES NOMINAL IN
external_keyway_quantity8
part_name_assigned_by_controlling_agencyNAVY SPECIAL PROJECT
NSN5310-00-102-4660
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 158572-904 · 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 KEYWAY WIDTH: 0.062 INCHES NOMINAL IN
•
EXTERNAL KEYWAY QUANTITY: 8
•
OUTSIDE DIAMETER: 2.272 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.063 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
HOLE DIAMETER: 1.185 INCHES NOMINAL IN
•
EXTERNAL KEYWAY LENGTH: 0.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
EXTERNAL KEYWAY WIDTH0.062 INCHES NOMINAL IN
EXTERNAL KEYWAY QUANTITY8
OUTSIDE DIAMETER2.272 INCHES NOMINAL IN
MATERIAL THICKNESS0.063 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
MATERIALSTEEL OVERALL
HOLE DIAMETER1.185 INCHES NOMINAL IN
EXTERNAL KEYWAY LENGTH0.250 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
4855BReference document
Same NSN cross-reference
Reference document — Design control — primary 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 158572-904?
158572-904 is a WASHER,KEYWAY.
What parts can replace 158572-904?
There is 1 known substitute for 158572-904: 4855B. Substitute compatibility should be verified for your specific system.
What is the NSN for 158572-904?
158572-904 is cataloged in the U.S. Government catalog under NSN 5310-00-102-4660. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.