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200122K149 — WASHER,KEY

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

200122K149: WASHER,KEY.

The WASHER,KEY is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 706 OR COPPER ALLOY 715 OVERALL, hole_diameter: 0.505 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN, outside_diameter: 0.906 INCHES NOMINAL IN, style_designator: KEY, material_thickness: 0.043 INCHES MINIMUM AND 0.045 INCHES MAXIMUM IN, internal_straight_key_width: 0.172 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-862-6031, 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
200122K149
NSN: 5310-00-862-6031
FSC: 5310 — Nuts and Washers
CAGE: 93236 — DRESSER-RAND CO WORTHINGTON COMPRESSOR OPN A JOINT VENTURE (USA)
SPECIFICATIONS
materialCOPPER ALLOY 706 OR COPPER ALLOY 715 OVERALL
hole_diameter0.505 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
outside_diameter0.906 INCHES NOMINAL IN
style_designatorKEY
material_thickness0.043 INCHES MINIMUM AND 0.045 INCHES MAXIMUM IN
internal_key_quantity1
internal_straight_key_width0.172 INCHES NOMINAL IN
material_document_and_classificationMIL-C-15726 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-862-6031
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 200122K149 · 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
•
STYLE DESIGNATOR: KEY
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-C-15726 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 0.906 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.043 INCHES MINIMUM AND 0.045 INCHES MAXIMUM IN
•
MATERIAL: COPPER ALLOY 706 OR COPPER ALLOY 715 OVERALL
•
INTERNAL KEY QUANTITY: 1
•
HOLE DIAMETER: 0.505 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
INTERNAL STRAIGHT KEY WIDTH0.172 INCHES NOMINAL IN
STYLE DESIGNATORKEY
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-C-15726 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER0.906 INCHES NOMINAL IN
MATERIAL THICKNESS0.043 INCHES MINIMUM AND 0.045 INCHES MAXIMUM IN
MATERIALCOPPER ALLOY 706 OR COPPER ALLOY 715 OVERALL
INTERNAL KEY QUANTITY1
HOLE DIAMETER0.505 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 2
200122KPC149Reference document
Same NSN cross-reference
Reference document — Secondary reference
7040BReference 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 200122K149?
200122K149 is a WASHER,KEY.
What parts can replace 200122K149?
There are 2 known substitutes for 200122K149: 200122KPC149, 7040B. Substitute compatibility should be verified for your specific system.
What is the NSN for 200122K149?
200122K149 is cataloged in the U.S. Government catalog under NSN 5310-00-862-6031. 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.