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577R005H82 — BOLT,INTERNAL WRENCHING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

577R005H82: BOLT,INTERNAL WRENCHING.

The BOLT,INTERNAL WRENCHING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4130 OR STEEL COMP 4140 OR STEEL COMP 8740 OVERALL, head_height: 0.157 INCHES MINIMUM AND 0.167 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.256 INCHES MINIMUM AND 0.264 INCHES MAXIMUM IN, thread_length: 0.340 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN, fastener_length: 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-210-7404, 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
577R005H82
NSN: 5306-01-210-7404
FSC: 5306 — Bolts
CAGE: 97942 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP (USA)
SPECIFICATIONS
materialSTEEL COMP 4130 OR STEEL COMP 4140 OR STEEL COMP 8740 OVERALL
head_height0.157 INCHES MINIMUM AND 0.167 INCHES MAXIMUM IN
thread_class3A A
head_diameter0.256 INCHES MINIMUM AND 0.264 INCHES MAXIMUM IN
thread_length0.340 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN
fastener_length0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
special_featuresCOLOR IRIDESCENT GOLD
thread_directionRIGHT-HAND
surface_treatmentCADMIUM AND CHROMATE OVERALL
width_across_flats0.141 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
internal_drive_styleHEXAGON
nominal_thread_diameter0.164 INCHES IN
NSN5306-01-210-7404
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 577R005H82 · 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
•
WIDTH ACROSS FLATS: 0.141 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.157 INCHES MINIMUM AND 0.167 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 0.340 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A322 ASSN STD ALL MATERIAL RESPONSES OR ASTM A331 ASSN STD ALL MATERIAL RESPONSES OVERALL
•
FIRST DIAMETER FROM HEAD: 0.120 INCHES MINIMUM AND 0.123 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.164 INCHES IN
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.141 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
HEAD HEIGHT0.157 INCHES MINIMUM AND 0.167 INCHES MAXIMUM IN
FASTENER LENGTH0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.340 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A322 ASSN STD ALL MATERIAL RESPONSES OR ASTM A331 ASSN STD ALL MATERIAL RESPONSES OVERALL
FIRST DIAMETER FROM HEAD0.120 INCHES MINIMUM AND 0.123 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.164 INCHES IN
THREAD DIRECTIONRIGHT-HAND
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.380 INCHES MINIMUM AND 0.420 INCHES MAXIMUM IN
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
D791518-82Reference 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 577R005H82?
577R005H82 is a BOLT,INTERNAL WRENCHING.
What parts can replace 577R005H82?
There is 1 known substitute for 577R005H82: D791518-82. Substitute compatibility should be verified for your specific system.
What is the NSN for 577R005H82?
577R005H82 is cataloged in the U.S. Government catalog under NSN 5306-01-210-7404. 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.