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Technical Data Sheet
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6922-D — Technical Data Sheet

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— · NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The WASHER,LOCK is a the manufacturer industrial component. Key specifications include hole_diameter: 0.255 INCHES MINIMUM AND 0.267 INCHES MAXIMUM IN, hardness_rating: 35.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM, outside_diameter: 0.363 INCHES NOMINAL IN, style_designator: SPLIT HELICAL-RIGHT HAND, material_thickness: 0.078 INCHES NOMINAL IN, end_item_identification: MRAP RG-33; MULTIPLE LAUNCH ROCKET SYSTEM (MLRS). This part is cataloged in the Federal Logistics Information System under NSN 5310-00-262-3562, 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
6922-D
NSN: 5310-00-262-3562
FSC: 5310
CAGE: 20859 — MELLOWES CO DIV OF CHARTER MFG CO INC (USA)
SPECIFICATIONS
hole_diameter0.255 INCHES MINIMUM AND 0.267 INCHES MAXIMUM IN
hardness_rating35.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM
outside_diameter0.363 INCHES NOMINAL IN
style_designatorSPLIT HELICAL-RIGHT HAND
material_thickness0.078 INCHES NOMINAL IN
end_item_identificationMRAP RG-33; MULTIPLE LAUNCH ROCKET SYSTEM (MLRS)
nondefinitive_spec/std_dataC CLASS
specification/standard_data80205-NAS1676 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
departure_from_cited_designatorAS MODIFIED BY DIM.
material_document_and_classification66 FED STD ALL MATERIAL RESPONSES OVERALL
NSN5310-00-262-3562
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 6922-D · 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
•
NONDEFINITIVE SPEC/STD DATA: C CLASS
•
HOLE DIAMETER: 0.255 INCHES MINIMUM AND 0.267 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 304 OR STEEL COMP 304L OR STEEL COMP 305 OR STEEL COMP 308 OR STEEL COMP 309 OR STEEL COMP 309S OR STEEL COMP 310 OR STEEL COMP 310S OR STEEL COMP 314 OR STEEL COMP 316 OR STEEL COMP 316L OR STEEL COMP 317 OR STEEL COMP 321 OR STEEL COMP 347 OR STEEL COMP 385 OR STEEL COMP 384 OR STEEL COMP 348 OVERALL
•
DEPARTURE FROM CITED DESIGNATOR: AS MODIFIED BY DIM.
•
HARDNESS RATING: 35.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM
•
STYLE DESIGNATOR: SPLIT HELICAL-RIGHT HAND
•
SPECIFICATION/STANDARD DATA: 80205-NAS1676 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
TECHNICAL CHARACTERISTICS
NONDEFINITIVE SPEC/STD DATAC CLASS
HOLE DIAMETER0.255 INCHES MINIMUM AND 0.267 INCHES MAXIMUM IN
MATERIALSTEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 304 OR STEEL COMP 304L OR STEEL COMP 305 OR STEEL COMP 308 OR STEEL COMP 309 OR STEEL COMP 309S OR STEEL COMP 310 OR STEEL COMP 310S OR STEEL COMP 314 OR STEEL COMP 316 OR STEEL COMP 316L OR STEEL COMP 317 OR STEEL COMP 321 OR STEEL COMP 347 OR STEEL COMP 385 OR STEEL COMP 384 OR STEEL COMP 348 OVERALL
DEPARTURE FROM CITED DESIGNATORAS MODIFIED BY DIM.
END ITEM IDENTIFICATIONMRAP RG-33; MULTIPLE LAUNCH ROCKET SYSTEM (MLRS)
HARDNESS RATING35.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM
STYLE DESIGNATORSPLIT HELICAL-RIGHT HAND
SPECIFICATION/STANDARD DATA80205-NAS1676 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
OUTSIDE DIAMETER0.363 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
158255PC56InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
345894PC213InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
FFW84CLASSCInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
345894PC203InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
158255PC46InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
345894PC204InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 6922-D?
6922-D is a WASHER,LOCK.
What parts can replace 6922-D?
There are 17 known substitutes for 6922-D: 158255PC56, 345894PC213, FFW84CLASSC and 14 more. Substitute compatibility should be verified for your specific system.
Is 6922-D still available?
6922-D is currently cancelled.
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Last verified: October 2026