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Technical Data Sheet

9001491 — 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 material: COPPER ALLOY OVERALL, hole_diameter: 0.168 INCHES MINIMUM AND 0.178 INCHES MAXIMUM IN, hardness_rating: 90.0 ROCKWELL B MINIMUM, outside_diameter: 0.296 INCHES NOMINAL IN, style_designator: SPLIT HELICAL-RIGHT HAND, surface_treatment: NICKEL OVERALL. This part is cataloged in the Federal Logistics Information System under NSN 5310-00-527-4031, 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
9001491
NSN: 5310-00-527-4031
FSC: 5310
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
hole_diameter0.168 INCHES MINIMUM AND 0.178 INCHES MAXIMUM IN
hardness_rating90.0 ROCKWELL B MINIMUM
outside_diameter0.296 INCHES NOMINAL IN
style_designatorSPLIT HELICAL-RIGHT HAND
surface_treatmentNICKEL OVERALL
material_thickness0.040 INCHES NOMINAL IN
nondefinitive_spec/std_dataE CLASS AND 2 STYLE
material_document_and_classificationQQ-B-750 COMP A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-527-4031
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 9001491 · 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-750 COMP A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
NONDEFINITIVE SPEC/STD DATA: E CLASS AND 2 STYLE
•
OUTSIDE DIAMETER: 0.296 INCHES NOMINAL IN
•
MATERIAL: COPPER ALLOY OVERALL
•
HARDNESS RATING: 90.0 ROCKWELL B MINIMUM
•
STYLE DESIGNATOR: SPLIT HELICAL-RIGHT HAND
•
MATERIAL THICKNESS: 0.040 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.168 INCHES MINIMUM AND 0.178 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-750 COMP A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NONDEFINITIVE SPEC/STD DATAE CLASS AND 2 STYLE
OUTSIDE DIAMETER0.296 INCHES NOMINAL IN
MATERIALCOPPER ALLOY OVERALL
HARDNESS RATING90.0 ROCKWELL B MINIMUM
STYLE DESIGNATORSPLIT HELICAL-RIGHT HAND
MATERIAL THICKNESS0.040 INCHES NOMINAL IN
HOLE DIAMETER0.168 INCHES MINIMUM AND 0.178 INCHES MAXIMUM IN
SURFACE TREATMENTNICKEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
FFW84CLASSESTYLE2InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
310008000InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
HP799P10MInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
107222InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
93620-162InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
323605PC12InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 9001491?
9001491 is a WASHER,LOCK.
What parts can replace 9001491?
There are 18 known substitutes for 9001491: FFW84CLASSESTYLE2, 310008000, HP799P10M and 15 more. Substitute compatibility should be verified for your specific system.
Is 9001491 still available?
9001491 is currently cancelled.
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