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77727 ✓ 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

The CAP,PIPE is a the manufacturer industrial component. Key specifications include end_item_identification: COPPER;PRESS CONNECTION, part_name_assigned_by_controlling_agency: CAP. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-422-0711, 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
77727
NSN: 5310-00-422-0711
FSC: 5310
CAGE: 24975 — PRESTOLITE ELECTRIC INC (USA)
SPECIFICATIONS
end_item_identificationCOPPER;PRESS CONNECTION
part_name_assigned_by_controlling_agencyCAP
NSN5310-00-422-0711
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 77727 · 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
•
THREAD CLASS: 3B
•
SURFACE TREATMENT: CADMIUM OVERALL
•
NUT HEIGHT: 0.379 INCHES MINIMUM AND 0.399 INCHES MAXIMUM IN
•
WIDTH ACROSS FLATS: 0.928 INCHES MINIMUM AND 0.940 INCHES MAXIMUM IN
•
BEARING SURFACE TYPE: CHAMFERED
•
NOMINAL THREAD SIZE: 0.625 INCHES IN
•
LOCKING FEATURE: PREVAILING TORQUE ALL METAL DESIGN
•
LUBRICATION: SOLUBLE LUBRICANT
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS3B
SURFACE TREATMENTCADMIUM OVERALL
NUT HEIGHT0.379 INCHES MINIMUM AND 0.399 INCHES MAXIMUM IN
WIDTH ACROSS FLATS0.928 INCHES MINIMUM AND 0.940 INCHES MAXIMUM IN
BEARING SURFACE TYPECHAMFERED
NOMINAL THREAD SIZE0.625 INCHES IN
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
LUBRICATIONSOLUBLE LUBRICANT
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
AMS-QQ-A-200/3Interchangeable
interchangeable cross-reference
interchangeable
LS3489Interchangeable
interchangeable cross-reference
interchangeable
S1125597Interchangeable
interchangeable cross-reference
interchangeable
27-430Interchangeable
interchangeable cross-reference
interchangeable
07-955EInterchangeable
interchangeable cross-reference
interchangeable
07-995EInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 77727?
77727 is a CAP,PIPE.
What parts can replace 77727?
There are 13 known substitutes for 77727: AMS-QQ-A-200/3, LS3489, S1125597 and 10 more. Substitute compatibility should be verified for your specific system.
Is 77727 still available?
77727 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