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Technical Data Sheet
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88326 PIECE 27 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

88326 PIECE 27: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include thread_class: 2A A, thread_length: 2.750 INCHES NOMINAL IN, fastener_length: 2.750 INCHES NOMINAL IN, special_features: MATERIAL IS CHROME-MOLY GRADE B7., thread_direction: RIGHT-HAND, end_item_identification: 4 INCH GATE VALVE; NIMITZ CLASS CVN IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-484-2971, 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
88326 PIECE 27
NSN: 5306-01-484-2971
FSC: 5306 — Bolts
CAGE: 57574 — VELAN VALVE CORP. (USA)
SPECIFICATIONS
thread_class2A A
thread_length2.750 INCHES NOMINAL IN
fastener_length2.750 INCHES NOMINAL IN
special_featuresMATERIAL IS CHROME-MOLY GRADE B7.
thread_directionRIGHT-HAND
end_item_identification4 INCH GATE VALVE; NIMITZ CLASS CVN IN
nominal_thread_diameter0.750 INCHES IN
thread_quantity_per_inch10
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
part_name_assigned_by_controlling_agencyHOUSING COVER BOLT
NSN5306-01-484-2971
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 88326 PIECE 27 · 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
•
FASTENER LENGTH: 2.750 INCHES NOMINAL IN
•
THREAD LENGTH: 2.750 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.750 INCHES IN
•
THREAD DIRECTION: RIGHT-HAND
•
THREAD CLASS: 2A A
TECHNICAL CHARACTERISTICS
FASTENER LENGTH2.750 INCHES NOMINAL IN
THREAD LENGTH2.750 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.750 INCHES IN
THREAD DIRECTIONRIGHT-HAND
SPECIAL FEATURESMATERIAL IS CHROME-MOLY GRADE B7.
PART NAME ASSIGNED BY CONTROLLING AGENCYHOUSING COVER BOLT
THREAD CLASS2A A
END ITEM IDENTIFICATION4 INCH GATE VALVE; NIMITZ CLASS CVN IN
THREAD QUANTITY PER INCH10
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
OTHER ITEMS IN FSC 5306 — Bolts
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5306-00-001-1276 5306-00-001-1949 5306-00-001-1988 5306-00-001-1989 5306-00-001-1990 5306-00-001-1991 5306-00-001-1993 5306-00-001-2017
SUBSTITUTES & CROSS-REFERENCES 1
88326 PIECE 47 4INCHReference document
Same NSN cross-reference
Reference document — Design control — primary 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 88326 PIECE 27?
88326 PIECE 27 is a BOLT,MACHINE.
What parts can replace 88326 PIECE 27?
There is 1 known substitute for 88326 PIECE 27: 88326 PIECE 47 4INCH. Substitute compatibility should be verified for your specific system.
What is the NSN for 88326 PIECE 27?
88326 PIECE 27 is cataloged in the U.S. Government catalog under NSN 5306-01-484-2971. 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.