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Technical Data Sheet
PartsTable / MRO / 7-2990
7-2990 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
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 RECEIVER,RADIO is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1035 OVERALL, thickness: 0.250 INCHES NOMINAL IN, hole_diameter: 1.031 INCHES NOMINAL IN, overall_diameter: 1.812 INCHES NOMINAL IN, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-286-3727, 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
MRO→ MRO_GENERAL→ 7-2990
NSN: 5310-00-286-3727
FSC: 5310
CAGE: 95097 — LITTLE GIANT CRANE AND SHOVEL INC (USA)
SPECIFICATIONS
materialSTEEL COMP 1035 OVERALL
thickness0.250 INCHES NOMINAL IN
hole_diameter1.031 INCHES NOMINAL IN
overall_diameter1.812 INCHES NOMINAL IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-286-3727
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 7-2990 · 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
•
HOLE DIAMETER: 1.031 INCHES NOMINAL IN
•
OVERALL DIAMETER: 1.812 INCHES NOMINAL IN
•
PERIPHERAL SHAPE STYLE: ROUND
•
CENTER HOLE SHAPE STYLE: ROUND
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
MATERIAL: STEEL COMP 1035 OVERALL
•
THICKNESS: 0.250 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
HOLE DIAMETER1.031 INCHES NOMINAL IN
OVERALL DIAMETER1.812 INCHES NOMINAL IN
PERIPHERAL SHAPE STYLEROUND
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
MATERIALSTEEL COMP 1035 OVERALL
THICKNESS0.250 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
690736Interchangeable
interchangeable cross-reference
interchangeable
69-736Interchangeable
interchangeable cross-reference
interchangeable
04306-8098Interchangeable
interchangeable cross-reference
interchangeable
9239Interchangeable
interchangeable cross-reference
interchangeable
2207-303Interchangeable
interchangeable cross-reference
interchangeable
7-2990Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 7-2990?
7-2990 is a RECEIVER,RADIO. It is classified as a MRO (MRO_GENERAL).
What parts can replace 7-2990?
There are 12 known substitutes for 7-2990: 690736, 69-736, 04306-8098 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 7-2990?
7-2990 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-286-3727. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026