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118729 — COVER,TRANSMISSION

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

118729: COVER,TRANSMISSION.

The COVER,TRANSMISSION is a the manufacturer industrial component. Key specifications include material: STEEL, special_features: SOLID U SHAPE, end_item_identification: KARL SENNER INC. MODEL WAV870-7.053:1 MANUAL TRANSMISSION.

This part is cataloged in the U.S. Government catalog under NSN 5310-00-838-7311, 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
118729
NSN: 5310-00-838-7311
NIINs: 008387311, 013213762
FSC: 5310 — Nuts and Washers
CAGE: 06481 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP (USA)
SPECIFICATIONS
materialSTEEL
special_featuresSOLID U SHAPE
mounting_hole_quantity4
end_item_identificationKARL SENNER INC. MODEL WAV870-7.053:1 MANUAL TRANSMISSION
NSN5310-00-838-7311
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 118729 · 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: UNIFIED NATIONAL COARSE (UNC)
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-766 COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.112 INCHES IN
•
PILOT DIAMETER: 0.186 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN
•
PILOT LENGTH: 0.062 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN
•
NUT HEIGHT: 0.265 INCHES NOMINAL IN
•
SURFACE TREATMENT: PASSIVATE OVERALL
TECHNICAL CHARACTERISTICS
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-766 COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.112 INCHES IN
PILOT DIAMETER0.186 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN
PILOT LENGTH0.062 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN
NUT HEIGHT0.265 INCHES NOMINAL IN
SURFACE TREATMENTPASSIVATE OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
THREAD CLASS2B
SUBSTITUTES & CROSS-REFERENCES 1
18729Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 118729?
118729 is a COVER,TRANSMISSION.
What parts can replace 118729?
There is 1 known substitute for 118729: 18729. Substitute compatibility should be verified for your specific system.
What is the NSN for 118729?
118729 is cataloged in the U.S. Government catalog under NSN 5310-00-838-7311. 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.