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PartsTable / COMPONENT / NGL20AD
NGL20AD ✓ 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 PIN,SHOULDER,HEADLESS is a the manufacturer industrial component. Key specifications include material: STEEL COMP XM-13 OVERALL, shank_length: 0.405 INCHES NOMINAL IN, thread_class: 3A A, thread_length: 0.405 INCHES NOMINAL IN, overall_length: 1.230 INCHES MINIMUM AND 1.270 INCHES MAXIMUM IN, shank_diameter: 0.250 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-01-701-5947, 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
NGL20AD
NSN: 5315-01-701-5947
FSC: 5315
CAGE: 1SFN4 — NORTHROP GRUMMAN SYSTEMS CORP INTEGRATED SYSTEMS SECTOR (USA)
SPECIFICATIONS
materialSTEEL COMP XM-13 OVERALL
shank_length0.405 INCHES NOMINAL IN
thread_class3A A
thread_length0.405 INCHES NOMINAL IN
overall_length1.230 INCHES MINIMUM AND 1.270 INCHES MAXIMUM IN
shank_diameter0.250 INCHES NOMINAL IN
first_end_styleCHAMFERED
second_end_styleCHAMFERED
style_designatorSHOULDER
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
first_end_locationTHREADED END
NSN5315-01-701-5947
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: NGL20AD · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS2700 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
•
FIRST END LOCATION: THREADED END
•
SECOND SHANK DIAMETER: 0.2145 INCHES MINIMUM AND 0.2150 INCHES MAXIMUM IN
•
THREAD QUANTITY PER INCH: 28
•
THREAD DIRECTION: RIGHT-HAND
•
SHANK DIAMETER: 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN
•
SHOULDER WIDTH ACROSS FLATS: 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN
•
THREAD CLASS: 3A A
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS2700 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
FIRST END LOCATIONTHREADED END
SECOND SHANK DIAMETER0.2145 INCHES MINIMUM AND 0.2150 INCHES MAXIMUM IN
THREAD QUANTITY PER INCH28
THREAD DIRECTIONRIGHT-HAND
SHANK DIAMETER0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN
SHOULDER WIDTH ACROSS FLATS0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN
THREAD CLASS3A A
NOMINAL THREAD SIZE0.250 INCHES IN
THREAD LENGTH0.405 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
150 25Interchangeable
interchangeable cross-reference
interchangeable
1340Interchangeable
interchangeable cross-reference
interchangeable
GGG-D-751 TYCInterchangeable
interchangeable cross-reference
interchangeable
1507Interchangeable
interchangeable cross-reference
interchangeable
43-158Interchangeable
interchangeable cross-reference
interchangeable
11415Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NGL20AD?
NGL20AD is a PIN,SHOULDER,HEADLESS.
What parts can replace NGL20AD?
There are 20 known substitutes for NGL20AD: 150 25, 1340, GGG-D-751 TYC and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for NGL20AD?
NGL20AD is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-01-701-5947. 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: July 2026