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Technical Data Sheet
PartsTable / COMPONENT / 74-608
74-608 ✓ Verified by PartsTable
— · NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The SWITCH,PRESSURE is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 2024 OVERALL, recess_depth: 0.065 INCHES NOMINAL IN, hole_diameter: 0.630 INCHES MINIMUM AND 0.650 INCHES MAXIMUM IN, overall_height: 0.100 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN, outside_diameter: 1.465 INCHES MINIMUM AND 1.475 INCHES MAXIMUM IN, style_designator: RECESSED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-596-6642, 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
74-608
NSN: 5310-00-596-6642
FSC: 5310
CAGE: 72599 — ALLIEDSIGNAL INC DBA ALLIED-SIGNAL AEROSPACE CO (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 2024 OVERALL
recess_depth0.065 INCHES NOMINAL IN
hole_diameter0.630 INCHES MINIMUM AND 0.650 INCHES MAXIMUM IN
overall_height0.100 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
outside_diameter1.465 INCHES MINIMUM AND 1.475 INCHES MAXIMUM IN
style_designatorRECESSED
surface_treatmentANODIZE OVERALL
material_thickness0.045 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN
material_document_and_classificationQQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-00-596-6642
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 74-608 · 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
•
STYLE DESIGNATOR: RECESSED
•
MATERIAL: ALUMINUM ALLOY 2024 OVERALL
•
RECESS DEPTH: 0.065 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
SURFACE TREATMENT: ANODIZE OVERALL
•
MATERIAL THICKNESS: 0.045 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORRECESSED
MATERIALALUMINUM ALLOY 2024 OVERALL
RECESS DEPTH0.065 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTANODIZE OVERALL
OVERALL HEIGHT0.100 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
MATERIAL THICKNESS0.045 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN
HOLE DIAMETER0.630 INCHES MINIMUM AND 0.650 INCHES MAXIMUM IN
OUTSIDE DIAMETER1.465 INCHES MINIMUM AND 1.475 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
74-608Interchangeable
interchangeable cross-reference
interchangeable
GF5500-402Interchangeable
interchangeable cross-reference
interchangeable
50218Interchangeable
interchangeable cross-reference
interchangeable
00560Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 74-608?
74-608 is a SWITCH,PRESSURE.
What parts can replace 74-608?
There are 4 known substitutes for 74-608: 74-608, GF5500-402, 50218 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 74-608?
74-608 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-596-6642. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026