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Technical Data Sheet
PartsTable / COMPONENT / 377 7/16-20 UNF
377 7/16-20 UNF ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The 377 7/16-20 UNF is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5136-00-237-8273, 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
377 7/16-20 UNF
NSN: 5136-00-237-8273
FSC: 5136
CAGE: 60NQ9 — GREENFIELD INDUSTRIES INC (USA)
SPECIFICATIONS
Part Number377 7/16-20 UNF
NSN5136-00-237-8273
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available 377 7/16-20 UNF TITLE COMPONENT PN 377 7/16-20 UNF MFR 377 7/16-20 UNF
KEY FEATURES
•
WIDTH ACROSS FLATS: 0.875 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SOLID HEXAGON NUT
•
MATERIAL: STEEL OVERALL
•
THREAD SIZE AND SERIES/TYPE DESIGNATOR: 0.438-20 UNF
•
THICKNESS: 0.438 INCHES NOMINAL IN
•
THREAD PITCH DIAMETERS: +0.3975 TO 0.4050 INCHES IN
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS (FLIS)
WIDTH ACROSS FLATS0.875 INCHES NOMINAL IN
STYLE DESIGNATORSOLID HEXAGON NUT
MATERIALSTEEL OVERALL
THREAD SIZE AND SERIES/TYPE DESIGNATOR0.438-20 UNF
THICKNESS0.438 INCHES NOMINAL IN
THREAD PITCH DIAMETERS+0.3975 TO 0.4050 INCHES IN
THREAD DIRECTIONRIGHT-HAND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
24126Interchangeable
interchangeable cross-reference
interchangeable
S445-33-211Interchangeable
interchangeable cross-reference
interchangeable
11922Interchangeable
interchangeable cross-reference
interchangeable
RE49F172Interchangeable
interchangeable cross-reference
interchangeable
M358Interchangeable
interchangeable cross-reference
interchangeable
9975738Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 377 7/16-20 UNF?
377 7/16-20 UNF is a 377 7/16-20 UNF.
What parts can replace 377 7/16-20 UNF?
There are 25 known substitutes for 377 7/16-20 UNF: 24126, S445-33-211, 11922 and 22 more. Substitute compatibility should be verified for your specific system.
Is 377 7/16-20 UNF still available?
377 7/16-20 UNF is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026