PartsTable
Technical Data Sheet
688-147 ✓ 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 NUT,PLAIN,CAP is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY OVERALL, nut_style: CAP, nut_height: 1.000 INCHES NOMINAL IN, thread_class: 2B, thread_series: UNF, special_features: 2 0.072 IN. DIA WIRE HOLES EACH SIDE 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 5310-00-452-8312, 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
688-147
NSN: 5310-00-452-8312
FSC: 5310
CAGE: K1464 — GOODRICH CONTROL SYSTEMS LTD T/A GOODRICH ENGINE CONTROL SYSTEMS (GBR)
SPECIFICATIONS
materialALUMINUM ALLOY OVERALL
nut_styleCAP
nut_height1.000 INCHES NOMINAL IN
thread_class2B
thread_seriesUNF
special_features2 0.072 IN. DIA WIRE HOLES EACH SIDE IN
thread_directionRIGHT-HAND
width_across_flats0.750 INCHES NOMINAL IN
nominal_thread_size0.500 INCHES IN
bearing_surface_typeCHAMFERED
thread_quantity_per_inch20
NSN5310-00-452-8312
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 688-147 · 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
WIDTH ACROSS FLATS: 0.750 INCHES NOMINAL IN
THREAD QUANTITY PER INCH: 20
BEARING SURFACE TYPE: CHAMFERED
THREAD SERIES: UNF
NOMINAL THREAD SIZE: 0.500 INCHES IN
NUT STYLE: CAP
MATERIAL: ALUMINUM ALLOY OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
WIDTH ACROSS FLATS0.750 INCHES NOMINAL IN
SPECIAL FEATURES2 0.072 IN. DIA WIRE HOLES EACH SIDE IN
THREAD QUANTITY PER INCH20
BEARING SURFACE TYPECHAMFERED
THREAD SERIESUNF
NOMINAL THREAD SIZE0.500 INCHES IN
NUT STYLECAP
MATERIALALUMINUM ALLOY OVERALL
THREAD CLASS2B
NUT HEIGHT1.000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
635-393Interchangeable
interchangeable cross-reference
interchangeable
5310-99-606Interchangeable
interchangeable cross-reference
interchangeable
755-12Interchangeable
interchangeable cross-reference
interchangeable
STD348-3Interchangeable
interchangeable cross-reference
interchangeable
842-42Interchangeable
interchangeable cross-reference
interchangeable
837-125Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 688-147?
688-147 is a NUT,PLAIN,CAP.
What parts can replace 688-147?
There are 6 known substitutes for 688-147: 635-393, 5310-99-606, 755-12 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 688-147?
688-147 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-452-8312. This indicates validated use in U.S. government and defense supply chains.
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