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Technical Data Sheet
PartsTable / MRO / 770
770 ✓ 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 FREQUENCY EXTENDER,TELEPHONE is a the manufacturer industrial component. Key specifications include end_item_identification: MANUAL SWITCHING COMMUNICATIONS EQUIPMENT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-011-9206, 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→ 770
NSN: 5315-00-011-9206
FSC: 5315
CAGE: 74410 — SAF-HOLLAND, INC. (USA)
SPECIFICATIONS
end_item_identificationMANUAL SWITCHING COMMUNICATIONS EQUIPMENT
NSN5315-00-011-9206
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 770 · 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
•
UNDERLOOP LENGTH: 3.500 INCHES NOMINAL IN
•
DIAMETER: 0.250 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 1008 OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
STYLE DESIGNATOR: STANDARD
TECHNICAL CHARACTERISTICS (FLIS)
UNDERLOOP LENGTH3.500 INCHES NOMINAL IN
DIAMETER0.250 INCHES NOMINAL IN
MATERIALSTEEL COMP 1008 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
STYLE DESIGNATORSTANDARD
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
119206Interchangeable
interchangeable cross-reference
interchangeable
913-3597-00Interchangeable
interchangeable cross-reference
interchangeable
90401-1Interchangeable
interchangeable cross-reference
interchangeable
4360856Interchangeable
Same NIIN cross-reference
interchangeable
X8-361Interchangeable
Same NIIN cross-reference
interchangeable
0904011Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 770?
770 is a FREQUENCY EXTENDER,TELEPHONE. It is classified as a MRO (MRO_GENERAL).
What parts can replace 770?
There are 6 known substitutes for 770: 119206, 913-3597-00, 90401-1 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 770?
770 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-011-9206. 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