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174603 — GASKET

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

174603: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: SLOTTED, HEXAGON, nut_height: 1.679 INCHES MINIMUM AND 1.759 INCHES MAXIMUM IN, thread_class: 3B, thread_series: UNIFIED NATIONAL COARSE (UNC), hardness_rating: 78.0 ROCKWELL B NOMINAL. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-017-4603, 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
174603
NSN: 5310-00-017-4603
NIINs: 000174603, 011230501
FSC: 5310 — Nuts and Washers
CAGE: 21450 — ARMY WEAPONS COMMAND ATTN AMSWE-REE-S (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleSLOTTED, HEXAGON
nut_height1.679 INCHES MINIMUM AND 1.759 INCHES MAXIMUM IN
thread_class3B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
hardness_rating78.0 ROCKWELL B NOMINAL
thread_directionRIGHT-HAND
width_across_flats2.662 INCHES MINIMUM AND 2.7500 INCHES MAXIMUM IN
nominal_thread_size1.750 INCHES IN
bearing_surface_typeCHAMFERED OR WASHER FACED
thread_quantity_per_inch5
NSN5310-00-017-4603
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 174603 · 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
•
WIDTH ACROSS FLATS: 2.662 INCHES MINIMUM AND 2.7500 INCHES MAXIMUM IN
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
HARDNESS RATING: 78.0 ROCKWELL B NOMINAL
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 1.750 INCHES IN
•
NUT HEIGHT: 1.679 INCHES MINIMUM AND 1.759 INCHES MAXIMUM IN
•
NUT STYLE: SLOTTED, HEXAGON
•
THREAD CLASS: 3B
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS2.662 INCHES MINIMUM AND 2.7500 INCHES MAXIMUM IN
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
HARDNESS RATING78.0 ROCKWELL B NOMINAL
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE1.750 INCHES IN
NUT HEIGHT1.679 INCHES MINIMUM AND 1.759 INCHES MAXIMUM IN
NUT STYLESLOTTED, HEXAGON
THREAD CLASS3B
THREAD QUANTITY PER INCH5
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 174603?
174603 is a GASKET.
What is the NSN for 174603?
174603 is cataloged in the U.S. Government catalog under NSN 5310-00-017-4603. This indicates validated use in U.S. government and defense supply chains.
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