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030742 — NUT,SELF-LOCKING,HEXAGON

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

030742: NUT,SELF-LOCKING,HEXAGON.

The NUT,SELF-LOCKING,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316 OVERALL, nut_style: HEXAGON, locking_feature: NYLON INSERT, thread_direction: RIGHT-HAND, nominal_thread_size: 4.0 MILLIMETERS MM, end_item_identification: WATERJET,HJ29. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-699-1034, 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
030742
NSN: 5310-01-699-1034
FSC: 5310 — Nuts and Washers
CAGE: 1PWP4 — HAMILTON JET, INC. (USA)
SPECIFICATIONS
materialSTEEL COMP 316 OVERALL
nut_styleHEXAGON
thread_seriesM
locking_featureNYLON INSERT
thread_directionRIGHT-HAND
nominal_thread_size4.0 MILLIMETERS MM
end_item_identificationWATERJET,HJ29
part_name_assigned_by_controlling_agencyNUT,LOCKING
NSN5310-01-699-1034
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 030742 · 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
•
THREAD SERIES: M
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 4.0 MILLIMETERS MM
•
LOCKING FEATURE: NYLON INSERT
•
NUT STYLE: HEXAGON
•
MATERIAL: STEEL COMP 316 OVERALL
TECHNICAL CHARACTERISTICS
THREAD SERIESM
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE4.0 MILLIMETERS MM
LOCKING FEATURENYLON INSERT
PART NAME ASSIGNED BY CONTROLLING AGENCYNUT,LOCKING
NUT STYLEHEXAGON
END ITEM IDENTIFICATIONWATERJET,HJ29
MATERIALSTEEL COMP 316 OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
CT SDR 03 050Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 030742?
030742 is a NUT,SELF-LOCKING,HEXAGON.
What parts can replace 030742?
There is 1 known substitute for 030742: CT SDR 03 050. Substitute compatibility should be verified for your specific system.
What is the NSN for 030742?
030742 is cataloged in the U.S. Government catalog under NSN 5310-01-699-1034. 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.