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Technical Data Sheet
PartsTable / COMPONENT / 20000737
20000737 ✓ 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,HAIRSPRING ST is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-536-1567, 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
20000737
NSN: 5305-00-536-1567
FSC: 5305
CAGE: 0Y4A4 — WALTHAM AIRCRAFT CLOCK CORP (USA)
SPECIFICATIONS
Part Number20000737
NSN5305-00-536-1567
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 20000737 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
7-K-20Interchangeable
interchangeable cross-reference
interchangeable
40119-11Interchangeable
interchangeable cross-reference
interchangeable
07-K-0020Interchangeable
interchangeable cross-reference
interchangeable
737Interchangeable
interchangeable cross-reference
interchangeable
QQS571Interchangeable
interchangeable cross-reference
interchangeable
2Z174Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 20000737?
20000737 is a SCREW,HAIRSPRING ST.
What parts can replace 20000737?
There are 20 known substitutes for 20000737: 7-K-20, 40119-11, 07-K-0020 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 20000737?
20000737 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-536-1567. 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