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Technical Data Sheet
PartsTable / COMPONENT / 0637-00
0637-00 ✓ 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 CYLINDER,AIR,DIVING EQUIPMENT is a the manufacturer industrial component. Key specifications include special_features: AIR CYLINDERS FOR SCUBA DIVING. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-989-0844, 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
0637-00
NSN: 5305-00-989-0844
FSC: 5305
CAGE: 78640 — MITSUBISHI CATERPILLAR FORKLIFT AMERICA, INC (USA)
SPECIFICATIONS
special_featuresAIR CYLINDERS FOR SCUBA DIVING
NSN5305-00-989-0844
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 0637-00 · 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
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
THREAD LENGTH: 0.244 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
•
SCREW MATERIAL: STEEL
•
HEAD STYLE: ROUND
•
THREAD CLASS: 2A A
•
HEAD DIAMETER: 0.443 INCHES MINIMUM AND 0.472 INCHES MAXIMUM IN
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD DIAMETER0.250 INCHES IN
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
THREAD LENGTH0.244 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
SCREW MATERIALSTEEL
HEAD STYLEROUND
THREAD CLASS2A A
HEAD DIAMETER0.443 INCHES MINIMUM AND 0.472 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND
FASTENER LENGTH0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
THREAD QUANTITY PER INCH20
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
3432Interchangeable
interchangeable cross-reference
interchangeable
3422Interchangeable
interchangeable cross-reference
interchangeable
SN6999-1PC3432Interchangeable
interchangeable cross-reference
interchangeable
SN3715PC3432Interchangeable
interchangeable cross-reference
interchangeable
GA51440Interchangeable
interchangeable cross-reference
interchangeable
SC-C-67302Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 0637-00?
0637-00 is a CYLINDER,AIR,DIVING EQUIPMENT.
What parts can replace 0637-00?
There are 16 known substitutes for 0637-00: 3432, 3422, SN6999-1PC3432 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 0637-00?
0637-00 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-989-0844. 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