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Technical Data Sheet
19AS41 ✓ 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

NUT,SELF-LOCKING,CONE SEAT,HEXAG. Key specifications include nut_style: CONE SEAT, HEXAGON, nut_height: 0.831 INCHES MINIMUM AND 0.887 INCHES MAXIMUM IN, thread_class: 2B, thread_series: UNS, cone_seat_angle: 90.0 DEGREES NOMINAL, locking_feature: PREVAILING TORQUE ALL METAL DESIGN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-081-0785, 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
19AS41
NSN: 5310-01-081-0785
FSC: 5310
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
nut_styleCONE SEAT, HEXAGON
nut_height0.831 INCHES MINIMUM AND 0.887 INCHES MAXIMUM IN
thread_class2B
thread_seriesUNS
cone_seat_angle90.0 DEGREES NOMINAL
locking_featurePREVAILING TORQUE ALL METAL DESIGN
special_featuresWEAPON SYSTEM ESSENTIAL
thread_directionRIGHT-HAND
width_across_flats1.450 INCHES MINIMUM AND 1.502 INCHES MAXIMUM IN
nominal_thread_size1.000 INCHES IN
end_item_identificationNSN 2320-01-097-0260 HEMTT (HEAVY EXPANDED MOBILITY TACTICAL TRUCK); 2320-01-304-2277 AND 2320-01-304-2278 PLS (PALLETIZED LOADING SYSTEM)
thread_quantity_per_inch14
NSN5310-01-081-0785
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 19AS41 · 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: 2B
NUT HEIGHT: 0.831 INCHES MINIMUM AND 0.887 INCHES MAXIMUM IN
CRITICALITY CODE JUSTIFICATION: FEAT
THREAD QUANTITY PER INCH: 14
THREAD SERIES: UNS
CONE SEAT ANGLE: 90.0 DEGREES NOMINAL
NOMINAL THREAD SIZE: 1.000 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS2B
NUT HEIGHT0.831 INCHES MINIMUM AND 0.887 INCHES MAXIMUM IN
CRITICALITY CODE JUSTIFICATIONFEAT
THREAD QUANTITY PER INCH14
THREAD SERIESUNS
SPECIAL FEATURESWEAPON SYSTEM ESSENTIAL
CONE SEAT ANGLE90.0 DEGREES NOMINAL
NOMINAL THREAD SIZE1.000 INCHES IN
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD ALL MATERIAL RESPONSES OVERALL
MATERIALSTEEL COMP 1013 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OR STEEL COMP 1021 OR STEEL COMP 1022 OR STEEL COMP 1023 OR STEEL COMP 1524 OR STEEL COMP 1025 OR STEEL COMP 1026 OR STEEL COMP 1527 OR STEEL COMP 1029 OR STEEL COMP 1030 OR STEEL COMP 1033 OR STEEL COMP 1034 OR STEEL COMP 1035 OR STEEL COMP 1536 OR STEEL COMP 1037 OR STEEL COMP 1038 OR STEEL COMP 1039 OR STEEL COMP 1040 OR STEEL COMP 1541 OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
7071Interchangeable
interchangeable cross-reference
interchangeable
177030-63Interchangeable
interchangeable cross-reference
interchangeable
8017Interchangeable
interchangeable cross-reference
interchangeable
10162227-1Interchangeable
interchangeable cross-reference
interchangeable
40542Interchangeable
interchangeable cross-reference
interchangeable
44-393Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 19AS41?
19AS41 is a NUT,SELF-LOCKING,CONE SEAT,HEXAG.
What parts can replace 19AS41?
There are 17 known substitutes for 19AS41: 7071, 177030-63, 8017 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 19AS41?
19AS41 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-081-0785. This indicates validated use in U.S. government and defense supply chains.
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