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320-1897 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

320-1897: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5310-01-159-7400, 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
320-1897
NSN: 5310-01-159-7400
FSC: 5310 — Nuts and Washers
CAGE: 17446 — HUCK INTERNATIONAL, INC (USA)
SPECIFICATIONS
Part Number320-1897
NSN5310-01-159-7400
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 320-1897 · 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
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TEST DATA DOCUMENT: 18876-13142983-22/10 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
TECHNICAL CHARACTERISTICS
TEST DATA DOCUMENT18876-13142983-22/10 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
SUBSTITUTES & CROSS-REFERENCES 3
80000433Reference document
Same NSN cross-reference
Reference document — Secondary reference
13142983Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
13142983-22/10Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 320-1897?
320-1897 is a WASHER,FLAT.
What parts can replace 320-1897?
There are 3 known substitutes for 320-1897: 80000433, 13142983, 13142983-22/10. Substitute compatibility should be verified for your specific system.
What is the NSN for 320-1897?
320-1897 is cataloged in the U.S. Government catalog under NSN 5310-01-159-7400. This indicates validated use in U.S. government and defense supply chains.
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