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PartsTable / COMPONENT / 37730 ITEM 21
37730 ITEM 21 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, fastener_length: 0.750 INCHES NOMINAL IN, nominal_thread_diameter: 0.250 INCHES IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-398-9595, 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
37730 ITEM 21
NSN: 5305-01-398-9595
FSC: 5305
CAGE: 60484 — INTERNATIONAL MICROWAVE DEVICES (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
fastener_length0.750 INCHES NOMINAL IN
nominal_thread_diameter0.250 INCHES IN
NSN5305-01-398-9595
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 37730 ITEM 21 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
FASTENER LENGTH: 0.750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL CORROSION RESISTING OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES IN
FASTENER LENGTH0.750 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
50230Interchangeable
interchangeable cross-reference
interchangeable
23-2368Interchangeable
interchangeable cross-reference
interchangeable
AP6V22B2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 37730 ITEM 21?
37730 ITEM 21 is a SCREW,CAP,SOCKET HEAD.
What parts can replace 37730 ITEM 21?
There are 3 known substitutes for 37730 ITEM 21: 50230, 23-2368, AP6V22B2. Substitute compatibility should be verified for your specific system.
What is the NSN for 37730 ITEM 21?
37730 ITEM 21 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-398-9595. 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