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12123 — RELAY,ELECTROMAGNETIC

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

12123: RELAY,ELECTROMAGNETIC.

The RELAY,ELECTROMAGNETIC is a the manufacturer industrial component. Key specifications include special_features: SUPPORT INDUSTRY STANDARD MODEMS UP TO 4.8 KBPS USING 32 KBPS ADPCM, end_item_identification: PROMINA 800 MAINFRAME, part_name_assigned_by_controlling_agency: VOICE COMPRESSION MODULE VC31. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-208-9514, 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→ 12123
NSN: 5310-00-208-9514
NIINs: 002089514, 002279665, 002704180, 005072512, 005807364, 009176509, 009464435, 010416787, 010853569, 012862345, 013976558, 014130805, 014768234, 015490543, 016007657
FSC: 5310 — Nuts and Washers
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
special_featuresSUPPORT INDUSTRY STANDARD MODEMS UP TO 4.8 KBPS USING 32 KBPS ADPCM
end_item_identificationPROMINA 800 MAINFRAME
part_name_assigned_by_controlling_agencyVOICE COMPRESSION MODULE VC31
NSN5310-00-208-9514
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 12123 · 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: 0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN
•
THREAD SERIES: UNF
•
HARDNESS RATING: 28.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
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THREAD DIRECTION: RIGHT-HAND
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NOMINAL THREAD SIZE: 0.375 INCHES IN
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NUT HEIGHT: 0.396 INCHES MINIMUM AND 0.416 INCHES MAXIMUM IN
•
NUT STYLE: HEXAGON
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN
THREAD SERIESUNF
HARDNESS RATING28.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.375 INCHES IN
NUT HEIGHT0.396 INCHES MINIMUM AND 0.416 INCHES MAXIMUM IN
NUT STYLEHEXAGON
THREAD CLASS3B
THREAD QUANTITY PER INCH24
SUBSTITUTES & CROSS-REFERENCES 1
X18231Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 12123?
12123 is a RELAY,ELECTROMAGNETIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace 12123?
There is 1 known substitute for 12123: X18231. Substitute compatibility should be verified for your specific system.
What is the NSN for 12123?
12123 is cataloged in the U.S. Government catalog under NSN 5310-00-208-9514. This indicates validated use in U.S. government and defense supply chains.
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