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601778-2 — INSERTER,PREFORMED PACKING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

601778-2: INSERTER,PREFORMED PACKING.

The INSERTER,PREFORMED PACKING is a the manufacturer industrial component. Key specifications include part_name_assigned_by_controlling_agency: O-RING TOOL, INLET. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-548-2606, 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
601778-2
NSN: 5305-01-548-2606
NIINs: 015482606, 017297331
FSC: 5305 — Screws
CAGE: 34623 — AM GENERAL LLC (USA)
SPECIFICATIONS
part_name_assigned_by_controlling_agencyO-RING TOOL, INLET
NSN5305-01-548-2606
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 601778-2 · 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
•
HEAD HEIGHT: 0.127 INCHES NOMINAL IN
•
THREAD LENGTH: 1.250 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
HEAD STYLE: BUTTON
•
THREAD DIRECTION: RIGHT-HAND
•
INTERNAL DRIVE STYLE: HEXAGON
•
THREAD CLASS: 2A A
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.127 INCHES NOMINAL IN
THREAD LENGTH1.250 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.250 INCHES IN
HEAD STYLEBUTTON
THREAD DIRECTIONRIGHT-HAND
INTERNAL DRIVE STYLEHEXAGON
PART NAME ASSIGNED BY CONTROLLING AGENCYSCREW, HEX SOCKET BUTTON HEAD CAP
THREAD CLASS2A A
END ITEM IDENTIFICATION2320-01-518-7330; TRUCK, UTILITY
THREAD QUANTITY PER INCH20
SUBSTITUTES & CROSS-REFERENCES 1
6014987Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 601778-2?
601778-2 is a INSERTER,PREFORMED PACKING.
What parts can replace 601778-2?
There is 1 known substitute for 601778-2: 6014987. Substitute compatibility should be verified for your specific system.
What is the NSN for 601778-2?
601778-2 is cataloged in the U.S. Government catalog under NSN 5305-01-548-2606. 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.