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HR4006PC172A — 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,FLAT is a the manufacturer industrial component. Key specifications include material: LEAD ALLOY B OVERALL, thickness: 0.062 INCHES NOMINAL IN, hole_diameter: 0.687 INCHES NOMINAL IN, overall_diameter: 1.125 INCHES NOMINAL IN, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 5310-00-188-3273, 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
HR4006PC172A
NSN: 5310-00-188-3273
FSC: 5310
CAGE: 93232 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DBA CURTISS WRIGHT ENGINEERED PUMP DIVISION USE CAGE CODE 0UBG9 FOR CATALOGING (USA)
SPECIFICATIONS
materialLEAD ALLOY B OVERALL
thickness0.062 INCHES NOMINAL IN
hole_diameter0.687 INCHES NOMINAL IN
overall_diameter1.125 INCHES NOMINAL IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationQQ-L-201 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-188-3273
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: HR4006PC172A · 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
•
OVERALL DIAMETER: 1.125 INCHES NOMINAL IN
•
MATERIAL: LEAD ALLOY B OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-L-201 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
•
HOLE DIAMETER: 0.687 INCHES NOMINAL IN
•
PERIPHERAL SHAPE STYLE: ROUND
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
THICKNESS: 0.062 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER1.125 INCHES NOMINAL IN
MATERIALLEAD ALLOY B OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-L-201 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.687 INCHES NOMINAL IN
PERIPHERAL SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
THICKNESS0.062 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
1066INInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
10661NInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
ABT10661InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
GKT643InterchangeableGOVERNMENT REGISTRY
Same NIIN cross-reference
interchangeable
HR4823PC62InterchangeableGOVERNMENT REGISTRY
Same NIIN cross-reference
interchangeable
HL4261PC176InterchangeableGOVERNMENT REGISTRY
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is HR4006PC172A?
HR4006PC172A is a WASHER,FLAT.
What parts can replace HR4006PC172A?
There are 13 known substitutes for HR4006PC172A: 1066IN, 10661N, ABT10661 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for HR4006PC172A?
HR4006PC172A is cataloged in the Federal Logistics Information System under NSN 5310-00-188-3273. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: October 2026