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677614 — BOLT,INTERNAL WRENCHING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

677614: BOLT,INTERNAL WRENCHING.

The BOLT,INTERNAL WRENCHING is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, head_style: DOUBLE HEXAGON EXTENDED WASHER, head_height: 0.134 INCHES NOMINAL IN, thread_class: 2A A, head_diameter: 0.226 INCHES NOMINAL IN, thread_length: 0.170 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-682-4844, 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
677614
NSN: 5306-00-682-4844
FSC: 5306 — Bolts
CAGE: 06481 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
head_styleDOUBLE HEXAGON EXTENDED WASHER
head_height0.134 INCHES NOMINAL IN
thread_class2A A
head_diameter0.226 INCHES NOMINAL IN
thread_length0.170 INCHES NOMINAL IN
fastener_length0.720 INCHES NOMINAL IN
thread_directionRIGHT-HAND
width_across_flats0.0937 INCHES MINIMUM AND 0.0952 INCHES MAXIMUM IN
internal_drive_styleHEXAGON
nominal_thread_diameter0.138 INCHES IN
extended_washer_diameter0.312 INCHES NOMINAL IN
NSN5306-00-682-4844
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 677614 · 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
•
EXTENDED WASHER THICKNESS: 0.050 INCHES NOMINAL IN
•
WIDTH ACROSS FLATS: 0.0937 INCHES MINIMUM AND 0.0952 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.134 INCHES NOMINAL IN
•
FASTENER LENGTH: 0.720 INCHES NOMINAL IN
•
EXTENDED WASHER DIAMETER: 0.312 INCHES NOMINAL IN
•
THREAD LENGTH: 0.170 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: FED STD 66,300 SERIES FED STD SINGLE MATERIAL RESPONSE OVERALL
•
FIRST DIAMETER FROM HEAD: 0.105 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
EXTENDED WASHER THICKNESS0.050 INCHES NOMINAL IN
WIDTH ACROSS FLATS0.0937 INCHES MINIMUM AND 0.0952 INCHES MAXIMUM IN
HEAD HEIGHT0.134 INCHES NOMINAL IN
FASTENER LENGTH0.720 INCHES NOMINAL IN
EXTENDED WASHER DIAMETER0.312 INCHES NOMINAL IN
THREAD LENGTH0.170 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONFED STD 66,300 SERIES FED STD SINGLE MATERIAL RESPONSE OVERALL
FIRST DIAMETER FROM HEAD0.105 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.138 INCHES IN
HEAD STYLEDOUBLE HEXAGON EXTENDED WASHER
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

No substitute or cross-reference records for this part.

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 677614?
677614 is a BOLT,INTERNAL WRENCHING.
What is the NSN for 677614?
677614 is cataloged in the U.S. Government catalog under NSN 5306-00-682-4844. 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.