PartsTable
Technical Data Sheet
627638 ✓ 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 OSCILLATOR,CRYSTAL CONTROLLED is a the manufacturer industrial component. Key specifications include height: 0.100 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN, diameter: 0.149 INCHES MINIMUM AND 0.151 INCHES MAXIMUM IN, material: STEEL COMP 410 OVERALL, head_style: DOUBLE CHAMFER, control_type: REMOTE, overall_width: 1.500 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-466-2761, 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
627638
NSN: 5315-00-466-2761
FSC: 5315
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
height0.100 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
diameter0.149 INCHES MINIMUM AND 0.151 INCHES MAXIMUM IN
materialSTEEL COMP 410 OVERALL
head_styleDOUBLE CHAMFER
control_typeREMOTE
overall_width1.500 INCHES MAXIMUM IN
chamfer_length0.020 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN
inclosure_typeENCASED
overall_height0.640 INCHES MINIMUM AND 0.835 INCHES MAXIMUM IN
overall_length1.500 INCHES MAXIMUM IN
surface_finish32.0 MICROINCHES LONG SHANK
connection_typePIN BOTTOM
NSN5315-00-466-2761
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 627638 · 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
MATERIAL: STEEL COMP 410 OVERALL
SURFACE FINISH: 32.0 MICROINCHES LONG SHANK
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5613 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
PIN CHAMFER ANGLE: 43.0 DEGREES MINIMUM AND 47.0 DEGREES MAXIMUM
STYLE DESIGNATOR: STRAIGHT
CHAMFER LENGTH: 0.020 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN
PIN HEAD DIAMETER: 0.200 INCHES MINIMUM AND 0.220 INCHES MAXIMUM IN
HEIGHT: 0.100 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL COMP 410 OVERALL
SURFACE FINISH32.0 MICROINCHES LONG SHANK
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5613 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
PIN CHAMFER ANGLE43.0 DEGREES MINIMUM AND 47.0 DEGREES MAXIMUM
STYLE DESIGNATORSTRAIGHT
CHAMFER LENGTH0.020 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN
PIN HEAD DIAMETER0.200 INCHES MINIMUM AND 0.220 INCHES MAXIMUM IN
HEIGHT0.100 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
HEAD STYLEDOUBLE CHAMFER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
627638Interchangeable
interchangeable cross-reference
interchangeable
252-9052Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 627638?
627638 is a OSCILLATOR,CRYSTAL CONTROLLED.
What parts can replace 627638?
There are 2 known substitutes for 627638: 627638, 252-9052. Substitute compatibility should be verified for your specific system.
What is the NSN for 627638?
627638 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-466-2761. This indicates validated use in U.S. government and defense supply chains.
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