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Technical Data Sheet
PartsTable / COMPONENT / 9904
9904 ✓ Verified by PartsTable
Giochi Preziosi · 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 VALVE,EMERGENCY BRAKE is a Giochi Preziosi industrial component. Key specifications include major_components: GAGE,POSITIONER, enclosure_feature: MULTIPLE ITEM W/CARRYING CASE, test_type_for_which_designed: LIFT FORCE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-059-9573, 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
9904
NSN: 5306-00-059-9573
FSC: 5306
CAGE: 20117 — HUBBARD AND COMPANY (USA)
SPECIFICATIONS
major_componentsGAGE,POSITIONER
enclosure_featureMULTIPLE ITEM W/CARRYING CASE
test_type_for_which_designedLIFT FORCE
NSN5306-00-059-9573
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 9904 · Giochi Preziosi ⚠ 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
•
THREAD LENGTH: 3.000 INCHES MINIMUM IN
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
THREAD DIRECTION: RIGHT-HAND
•
HEAD STYLE: SQUARE
•
SURFACE TREATMENT: ZINC OVERALL
•
THREAD QUANTITY PER INCH: 10
•
THREAD CLASS: 2A A
TECHNICAL CHARACTERISTICS (FLIS)
THREAD LENGTH3.000 INCHES MINIMUM IN
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
THREAD DIRECTIONRIGHT-HAND
HEAD STYLESQUARE
SPECIAL FEATURESFURNISHED W/ONE SQ NUT
SURFACE TREATMENTZINC OVERALL
THREAD QUANTITY PER INCH10
THREAD CLASS2A A
FASTENER LENGTH4.000 INCHES NOMINAL IN
HEAD HEIGHT0.500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
45277Interchangeable
interchangeable cross-reference
interchangeable
8-904Interchangeable
interchangeable cross-reference
interchangeable
MIL-PRF-1/1728Interchangeable
interchangeable cross-reference
interchangeable
4CX350FJInterchangeable
interchangeable cross-reference
interchangeable
201 W/213 BOXInterchangeable
interchangeable cross-reference
interchangeable
QAL3SMInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 9904?
9904 is a VALVE,EMERGENCY BRAKE manufactured by Giochi Preziosi.
What parts can replace 9904?
There are 12 known substitutes for 9904: 45277, 8-904, MIL-PRF-1/1728 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 9904?
9904 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-059-9573. 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