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12422358 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

12422358: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, barrel_style: STRAIGHT RECTANGULAR WITH ROUND ENDS TYPE, barrel_width: 0.803 INCHES MINIMUM AND 0.823 INCHES MAXIMUM IN, flange_style: FLANGE, flange_width: 1.053 INCHES MINIMUM AND 1.073 INCHES MAXIMUM IN, barrel_height: 0.67 INCHES MINIMUM AND 0.71 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-588-3644, 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
12422358
NSN: 5310-01-588-3644
NIINs: 015883644, 016463718
FSC: 5310 — Nuts and Washers
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
barrel_styleSTRAIGHT RECTANGULAR WITH ROUND ENDS TYPE
barrel_width0.803 INCHES MINIMUM AND 0.823 INCHES MAXIMUM IN
flange_styleFLANGE
flange_width1.053 INCHES MINIMUM AND 1.073 INCHES MAXIMUM IN
barrel_height0.67 INCHES MINIMUM AND 0.71 INCHES MAXIMUM IN
barrel_length1.053 INCHES MINIMUM AND 1.073 INCHES MAXIMUM IN
flange_length0.67 INCHES MINIMUM AND 0.71 INCHES MAXIMUM IN
special_featuresHAS POINTED ENDS. APERTURE DIMENSIONS ARE .65X.45 INCHES IN
surface_treatmentANODIZE OVERALL
end_item_identification2320-01-552-7781
NSN5310-01-588-3644
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 12422358 · 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
•
LENGTH: 1.000 INCHES NOMINAL IN
•
COLOR: BLACK OVERALL
•
WIDTH: 0.750 INCHES NOMINAL IN
•
MATERIAL: COPPER ALLOY OVERALL
TECHNICAL CHARACTERISTICS
LENGTH1.000 INCHES NOMINAL IN
COLORBLACK OVERALL
WIDTH0.750 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYFASTENER, EYELET
END ITEM IDENTIFICATIONNSN 2320-01-552-7781 TRUCK,VAN
MATERIALCOPPER ALLOY 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 12422358?
12422358 is a WASHER,FLAT.
What is the NSN for 12422358?
12422358 is cataloged in the U.S. Government catalog under NSN 5310-01-588-3644. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.