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734912-17 — WASHER,KEY

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

734912-17: WASHER,KEY.

The WASHER,KEY is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_diameter: 1.252 INCHES MINIMUM AND 1.254 INCHES MAXIMUM IN, heat_treatment: AS FABRICATED, outside_diameter: 1.875 INCHES NOMINAL IN, style_designator: KEY, surface_treatment: PHOSPHATE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-210-2143, 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
734912-17
NSN: 5310-00-210-2143
FSC: 5310 — Nuts and Washers
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter1.252 INCHES MINIMUM AND 1.254 INCHES MAXIMUM IN
heat_treatmentAS FABRICATED
outside_diameter1.875 INCHES NOMINAL IN
style_designatorKEY
surface_treatmentPHOSPHATE OVERALL
material_thickness0.115 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
internal_key_quantity1
internal_prebent_key_width0.308 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
internal_prebent_key_length0.234 INCHES NOMINAL IN
NSN5310-00-210-2143
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 734912-17 · 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
•
INTERNAL PREBENT KEY WIDTH: 0.308 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
•
HEAT TREATMENT: AS FABRICATED
•
STYLE DESIGNATOR: KEY
•
OUTSIDE DIAMETER: 1.875 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.115 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
•
INTERNAL PREBENT KEY LENGTH: 0.234 INCHES NOMINAL IN
•
SURFACE TREATMENT: PHOSPHATE OVERALL
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
INTERNAL PREBENT KEY WIDTH0.308 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
HEAT TREATMENTAS FABRICATED
STYLE DESIGNATORKEY
OUTSIDE DIAMETER1.875 INCHES NOMINAL IN
MATERIAL THICKNESS0.115 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
INTERNAL PREBENT KEY LENGTH0.234 INCHES NOMINAL IN
SURFACE TREATMENTPHOSPHATE OVERALL
MATERIALSTEEL OVERALL
INTERNAL KEY QUANTITY1
HOLE DIAMETER1.252 INCHES MINIMUM AND 1.254 INCHES MAXIMUM IN
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
SUBSTITUTES & CROSS-REFERENCES 1
734912PC17Reference 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 734912-17?
734912-17 is a WASHER,KEY.
What parts can replace 734912-17?
There is 1 known substitute for 734912-17: 734912PC17. Substitute compatibility should be verified for your specific system.
What is the NSN for 734912-17?
734912-17 is cataloged in the U.S. Government catalog under NSN 5310-00-210-2143. This indicates validated use in U.S. government and defense supply chains.
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