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189376 — SCREW,CAP,SOCKET HEAD

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

189376: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include thread_class: 2A A, thread_length: 0.813 INCHES MINIMUM IN, fastener_length: 0.875 INCHES NOMINAL IN, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5320-00-209-3940, 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
189376
NSN: 5320-00-209-3940
NIINs: 002093940, 010359957
FSC: 5320 — Rivets
CAGE: 21450 — ARMY WEAPONS COMMAND ATTN AMSWE-REE-S (USA)
SPECIFICATIONS
thread_class2A A
thread_length0.813 INCHES MINIMUM IN
fastener_length0.875 INCHES NOMINAL IN
thread_directionRIGHT-HAND
NSN5320-00-209-3940
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SCREW,CAP,SOCKET HEAD TITLE COMPONENT PN 189376 MFR SCREW,CAP,SOCKET HEAD
KEY FEATURES
•
SHANK DIAMETER: 0.124 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-W-341 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
HEAD STYLE: FLUSH (FLAT) COUNTERSUNK (INCLUDED ANGLE - LESS THAN 135 DEG W OR W/O CHAMFER)
•
GRIP LENGTH: 0.188 INCHES NOMINAL IN
•
SHANK STYLE: STRAIGHT
•
COUNTERSINK ANGLE: 98.5 DEGREES MINIMUM AND 101.5 DEGREES MAXIMUM
•
SHEAR STRENGTH: 23000 SINGLE POUNDS PER SQUARE INCH
TECHNICAL CHARACTERISTICS
SHANK DIAMETER0.124 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN
FASTENER LENGTH0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-W-341 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
HEAD STYLEFLUSH (FLAT) COUNTERSUNK (INCLUDED ANGLE - LESS THAN 135 DEG W OR W/O CHAMFER)
GRIP LENGTH0.188 INCHES NOMINAL IN
SHANK STYLESTRAIGHT
COUNTERSINK ANGLE98.5 DEGREES MINIMUM AND 101.5 DEGREES MAXIMUM
SHEAR STRENGTH23000 SINGLE POUNDS PER SQUARE INCH
MATERIALCOPPER ALLOY OVERALL
HEAD MAJOR DIAMETER0.201 INCHES MINIMUM AND 0.206 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 1
MS20427C4-6Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 189376?
189376 is a SCREW,CAP,SOCKET HEAD.
What parts can replace 189376?
There is 1 known substitute for 189376: MS20427C4-6. Substitute compatibility should be verified for your specific system.
What is the NSN for 189376?
189376 is cataloged in the U.S. Government catalog under NSN 5320-00-209-3940. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.