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A02RS373-2 — BOLT,INTERNAL WRENCHING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

A02RS373-2: BOLT,INTERNAL WRENCHING.

The BOLT,INTERNAL WRENCHING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4340 OVERALL, hole_type: DRILLED, head_height: 0.710 INCHES NOMINAL IN, thread_class: 3A A, head_diameter: 0.545 INCHES MINIMUM AND 0.546 INCHES MAXIMUM IN, hole_diameter: 0.106 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-216-7885, 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
A02RS373-2
NSN: 5306-01-216-7885
FSC: 5306 — Bolts
CAGE: 77272 — THE BOEING COMPANY (USA)
SPECIFICATIONS
materialSTEEL COMP 4340 OVERALL
hole_typeDRILLED
head_height0.710 INCHES NOMINAL IN
thread_class3A A
head_diameter0.545 INCHES MINIMUM AND 0.546 INCHES MAXIMUM IN
hole_diameter0.106 INCHES NOMINAL IN
hole_quantity2
thread_length0.617 INCHES NOMINAL IN
fastener_length2.004 INCHES NOMINAL IN
thread_directionRIGHT-HAND
surface_treatmentCADMIUM OVERALL
width_across_flats0.312 INCHES MINIMUM AND 0.316 INCHES MAXIMUM IN
NSN5306-01-216-7885
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: A02RS373-2 · 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
•
WIDTH ACROSS FLATS: 0.312 INCHES MINIMUM AND 0.316 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.710 INCHES NOMINAL IN
•
FASTENER LENGTH: 2.004 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: BAC 5424 CLASS A FSCM 77272 MFR REF SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 0.617 INCHES NOMINAL IN
•
HOLE CONFIGURATION STYLE: ROUND
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 6414 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
FIRST DIAMETER FROM HEAD: 0.373 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.312 INCHES MINIMUM AND 0.316 INCHES MAXIMUM IN
HEAD HEIGHT0.710 INCHES NOMINAL IN
FASTENER LENGTH2.004 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONBAC 5424 CLASS A FSCM 77272 MFR REF SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.617 INCHES NOMINAL IN
HOLE CONFIGURATION STYLEROUND
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6414 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
FIRST DIAMETER FROM HEAD0.373 INCHES NOMINAL IN
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER2.004 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.375 INCHES 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 2
A02RS373-4Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
92284-6-2Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 A02RS373-2?
A02RS373-2 is a BOLT,INTERNAL WRENCHING.
What parts can replace A02RS373-2?
There are 2 known substitutes for A02RS373-2: A02RS373-4, 92284-6-2. Substitute compatibility should be verified for your specific system.
What is the NSN for A02RS373-2?
A02RS373-2 is cataloged in the U.S. Government catalog under NSN 5306-01-216-7885. 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.