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Technical Data Sheet
PartsTable / COMPONENT / PD-1-6
PD-1-6 ✓ Verified by PartsTable
— · 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

PARTS KIT,ELECTRO-MECHANICAL LIN. Key specifications include material: STEEL COMP 303 OR STEEL COMP 303SE OVERALL, nut_style: KNURLED, knurl_width: 0.125 INCHES NOMINAL IN, nut_diameter: 0.500 INCHES NOMINAL IN, thread_class: 2B, nut_thickness: 0.625 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-421-1192, 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
PD-1-6
NSN: 5310-00-421-1192
FSC: 5310
CAGE: 29440 — W. M. BERG, INC. (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OR STEEL COMP 303SE OVERALL
nut_styleKNURLED
knurl_width0.125 INCHES NOMINAL IN
nut_diameter0.500 INCHES NOMINAL IN
thread_class2B
nut_thickness0.625 INCHES NOMINAL IN
pump_quantity1
thread_seriesUNIFIED NATIONAL COARSE (UNC)
small_end_length0.500 INCHES NOMINAL IN
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
discharge_pressure00.0 WATER CONSERVING - WATER SAVING TECHNOLOGIES - LOW-FLOW PRE-RINSE SPRAY VALVES
NSN5310-00-421-1192
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: PD-1-6 · 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
•
COUNTERBORE DIAMETER: 0.147 INCHES NOMINAL NUT IN
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-764,COND A/A FED SPEC ALL MATERIAL RESPONSES OVERALL
•
MATERIAL: STEEL COMP 303 OR STEEL COMP 303SE OVERALL
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
NUT COUNTERBORE DEPTH: 0.344 INCHES NOMINAL NUT IN
•
NUT THICKNESS: 0.625 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
COUNTERBORE DIAMETER0.147 INCHES NOMINAL NUT IN
SURFACE TREATMENTPASSIVATE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-764,COND A/A FED SPEC ALL MATERIAL RESPONSES OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
MATERIALSTEEL COMP 303 OR STEEL COMP 303SE OVERALL
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
NUT COUNTERBORE DEPTH0.344 INCHES NOMINAL NUT IN
NUT THICKNESS0.625 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-F-14072,E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
NOMINAL THREAD SIZE0.138 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
4075Interchangeable
interchangeable cross-reference
interchangeable
B31-10344-7Interchangeable
interchangeable cross-reference
interchangeable
AMS-QQ-A-200/3Interchangeable
interchangeable cross-reference
interchangeable
LS3489Interchangeable
interchangeable cross-reference
interchangeable
S1125597Interchangeable
interchangeable cross-reference
interchangeable
5615685Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is PD-1-6?
PD-1-6 is a PARTS KIT,ELECTRO-MECHANICAL LIN.
What parts can replace PD-1-6?
There are 14 known substitutes for PD-1-6: 4075, B31-10344-7, AMS-QQ-A-200/3 and 11 more. Substitute compatibility should be verified for your specific system.
Is PD-1-6 still available?
PD-1-6 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026