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20-8355 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

20-8355: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include part_name_assigned_by_controlling_agency: TELEMETERING THEODOLITE. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-470-5953, 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
20-8355
NSN: 5310-00-470-5953
NIINs: 004705953, 015597329
FSC: 5310 — Nuts and Washers
CAGE: 81495 — KOEHRING CRANES, INC DBA TEREX CRANES DIV WAVERLY OPERATIONS (USA)
SPECIFICATIONS
part_name_assigned_by_controlling_agencyTELEMETERING THEODOLITE
NSN5310-00-470-5953
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 20-8355 · 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
•
OVERALL DIAMETER: 0.750 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: STEEL OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
•
HOLE DIAMETER: 0.312 INCHES NOMINAL IN
•
THICKNESS: 0.125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER0.750 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
PERIPHERAL SHAPE STYLEROUND
MATERIALSTEEL OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.312 INCHES NOMINAL IN
THICKNESS0.125 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 3
103340Reference document
Same NSN cross-reference
Reference document — Secondary reference
RC8548Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
810370Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 20-8355?
20-8355 is a WASHER,FLAT.
What parts can replace 20-8355?
There are 3 known substitutes for 20-8355: 103340, RC8548, 810370. Substitute compatibility should be verified for your specific system.
What is the NSN for 20-8355?
20-8355 is cataloged in the U.S. Government catalog under NSN 5310-00-470-5953. 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.