PartsTable / COMPONENT / 18979
18979
✓ 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 GEAR ASSEMBLY,SPEED DECREASER is a the manufacturer industrial component. Key specifications include part_name_assigned_by_controlling_agency: ANG CERFP HRF MEDICAL SUPPORT. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-053-7804, 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
18979
NSN: 5310-00-053-7804 FSC: 5310 CAGE: 11743 — CHECKER MOTORS CORPORATION (USA)
SPECIFICATIONS
part_name_assigned_by_controlling_agency ANG CERFP HRF MEDICAL SUPPORT NSN 5310-00-053-7804
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED
Hex NUT
CROSS-SECTION
WASHER OD: —
SIZE: —
MATERIAL: —
PN: 18979 · 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: 1.480 INCHES MINIMUM AND 1.505 INCHES MAXIMUM IN
• THREAD QUANTITY PER INCH: 16
• NOMINAL THREAD SIZE: 0.750 INCHES IN
• LOCKING FEATURE: PREVAILING TORQUE ALL METAL DESIGN
• SURFACE TREATMENT: CADMIUM OR ZINC OVERALL
• NUT STYLE: SINGLE BALL SEAT, HEXAGON
• THREAD DIRECTION: LEFT-HAND
TECHNICAL CHARACTERISTICS (FLIS)
WIDTH ACROSS FLATS 1.480 INCHES MINIMUM AND 1.505 INCHES MAXIMUM IN THREAD QUANTITY PER INCH 16 NOMINAL THREAD SIZE 0.750 INCHES IN THREAD SERIES UNF LOCKING FEATURE PREVAILING TORQUE ALL METAL DESIGN SURFACE TREATMENT CADMIUM OR ZINC OVERALL NUT STYLE SINGLE BALL SEAT, HEXAGON THREAD DIRECTION LEFT-HAND MATERIAL STEEL COMP 1120 OVERALL BALL SEAT RADIUS 0.875 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
62100-9 Interchangeable interchangeable cross-reference
interchangeable
2162083 Interchangeable interchangeable cross-reference
interchangeable
14575 Interchangeable interchangeable cross-reference
interchangeable
74809 Interchangeable interchangeable cross-reference
interchangeable
47C157 Interchangeable interchangeable cross-reference
interchangeable
C878 Interchangeable interchangeable cross-reference
interchangeable
LIFECYCLE
Status CANCELLED
Availability —
RoHS Compliant EAR99 Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 18979?
18979 is a GEAR ASSEMBLY,SPEED DECREASER.
What parts can replace 18979?
There are 28 known substitutes for 18979: 62100-9, 2162083, 14575 and 25 more. Substitute compatibility should be verified for your specific system.
Is 18979 still available?
18979 is currently cancelled.