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741262A00 — WASHER,KEY

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

741262A00: WASHER,KEY.

The WASHER,KEY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 304 OVERALL, hole_diameter: 1.094 INCHES NOMINAL IN, outside_diameter: 1.609 INCHES MINIMUM AND 1.641 INCHES MAXIMUM IN, split_key_length: 0.128 INCHES NOMINAL IN, external_tapered_key_width: 0.654 INCHES MINIMUM AND 0.686 INCHES MAXIMUM IN, internal_prebent_key_width: 0.109 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-353-7485, 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
741262A00
NSN: 5315-01-353-7485
NIINs: 013537485, 013748369
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 30086 — L3HARRIS MARITIME POWER & ENERGY SOLUTIONS, INC. DBA SPD ELECTRICAL SYSTEMS, INC. (USA)
SPECIFICATIONS
materialSTEEL COMP 304 OVERALL
hole_diameter1.094 INCHES NOMINAL IN
outside_diameter1.609 INCHES MINIMUM AND 1.641 INCHES MAXIMUM IN
split_key_length0.128 INCHES NOMINAL IN
external_tapered_key_width0.654 INCHES MINIMUM AND 0.686 INCHES MAXIMUM IN
internal_prebent_key_width0.109 INCHES NOMINAL IN
angle_between_external_keys90.0 DEGREES NOMINAL
criticality_code_justificationZZZY
material_document_and_classificationAISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
part_name_assigned_by_controlling_agencyNAVY SPECIAL PROJECT
reference_number_differentiating_characteristicsMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
NSN5315-01-353-7485
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 741262A00 · 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
•
CRITICALITY CODE JUSTIFICATION: ZZZY
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
TECHNICAL CHARACTERISTICS
CRITICALITY CODE JUSTIFICATIONZZZY
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
SUBSTITUTES & CROSS-REFERENCES 1
741262-AReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Demilitarization required (F)
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FREQUENTLY ASKED QUESTIONS
What is 741262A00?
741262A00 is a WASHER,KEY.
What parts can replace 741262A00?
There is 1 known substitute for 741262A00: 741262-A. Substitute compatibility should be verified for your specific system.
What is the NSN for 741262A00?
741262A00 is cataloged in the U.S. Government catalog under NSN 5315-01-353-7485. 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.