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394997 — PACKING SET,HYDRAULIC

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

394997: PACKING SET,HYDRAULIC.

The PACKING SET,HYDRAULIC is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: CONSISTS OF 7,PACKING PREFORMED. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-778-7828, 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
394997
NSN: 5305-00-778-7828
NIINs: 007787828, 009333763
FSC: 5305 — Screws
CAGE: 31949 — BROOKS AUTOMATION, INC. DIV CTI CRYOGENICS (USA)
SPECIFICATIONS
general_characteristics_item_descriptionCONSISTS OF 7,PACKING PREFORMED
NSN5305-00-778-7828
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 394997 · 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
•
FOURTH DIAMETER FROM HEAD: 0.173 INCHES MINIMUM AND 0.181 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.205 INCHES MAXIMUM IN
•
FASTENER LENGTH: 2.082 INCHES MINIMUM AND 2.092 INCHES MAXIMUM IN
•
DISTANCE FROM CENTERLINE TO FLAT: 0.149 INCHES MAXIMUM IN
•
THREAD PITCH IN MILLIMETERS: 25.4
•
THREAD LENGTH: 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
FIRST DIAMETER FROM HEAD: 0.234 INCHES MINIMUM AND 0.238 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
FOURTH DIAMETER FROM HEAD0.173 INCHES MINIMUM AND 0.181 INCHES MAXIMUM IN
HEAD HEIGHT0.205 INCHES MAXIMUM IN
FASTENER LENGTH2.082 INCHES MINIMUM AND 2.092 INCHES MAXIMUM IN
DISTANCE FROM CENTERLINE TO FLAT0.149 INCHES MAXIMUM IN
THREAD PITCH IN MILLIMETERS25.4
THREAD LENGTH0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONAISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
FIRST DIAMETER FROM HEAD0.234 INCHES MINIMUM AND 0.238 INCHES MAXIMUM IN
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER0.504 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER6.0 MILLIMETERS MM
SUBSTITUTES & CROSS-REFERENCES 1
B2-2940Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 394997?
394997 is a PACKING SET,HYDRAULIC.
What parts can replace 394997?
There is 1 known substitute for 394997: B2-2940. Substitute compatibility should be verified for your specific system.
What is the NSN for 394997?
394997 is cataloged in the U.S. Government catalog under NSN 5305-00-778-7828. 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.