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20-03074 — NUT,SEAT,VALVE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

20-03074: NUT,SEAT,VALVE.

The NUT,SEAT,VALVE is a the manufacturer industrial component. Key specifications include part_name_assigned_by_controlling_agency: NAVY SPECIAL PROJECT. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-057-7301, 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
20-03074
NSN: 5310-01-057-7301
FSC: 5310 — Nuts and Washers
CAGE: 03670 — TYCO FIRE PRODUCTS LP (USA)
SPECIFICATIONS
part_name_assigned_by_controlling_agencyNAVY SPECIAL PROJECT
NSN5310-01-057-7301
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 20-03074 · 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: PHOSPHATE BRONZE; 3000 OR 5000 PS; ONE END EXTERNALLY THD 1.125-16,UN,2A,RH,0.375 IN.THD LG; 0.933 IN.BODY DIA; 0.185 IN.W.BY 0.085 IN.DEEP CIRCULAR GROOVE,0.095 IN.FROM BODY END; 0.125 IN.W DRIVE SLOT ON THD END; 0.500 IN.BORE DIA; 1.217 IN.O/A H A
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONPHOSPHATE BRONZE; 3000 OR 5000 PS; ONE END EXTERNALLY THD 1.125-16,UN,2A,RH,0.375 IN.THD LG; 0.933 IN.BODY DIA; 0.185 IN.W.BY 0.085 IN.DEEP CIRCULAR GROOVE,0.095 IN.FROM BODY END; 0.125 IN.W DRIVE SLOT ON THD END; 0.500 IN.BORE DIA; 1.217 IN.O/A H A
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
SUBSTITUTES & CROSS-REFERENCES 3
V3074Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
V7690Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
V7690PC2Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 20-03074?
20-03074 is a NUT,SEAT,VALVE.
What parts can replace 20-03074?
There are 3 known substitutes for 20-03074: V3074, V7690, V7690PC2. Substitute compatibility should be verified for your specific system.
What is the NSN for 20-03074?
20-03074 is cataloged in the U.S. Government catalog under NSN 5310-01-057-7301. This indicates validated use in U.S. government and defense supply chains.
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