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557017 — SHAFT,PINION

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

557017: SHAFT,PINION.

The SHAFT,PINION is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY OVERALL, head_style: DOUBLE HEXAGON W/HOLE, head_height: 0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 0.678 INCHES MINIMUM AND 0.698 INCHES MAXIMUM IN, fastener_length: 0.678 INCHES MINIMUM AND 0.698 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-850-7604, 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
557017
NSN: 5306-00-850-7604
NIINs: 008507604, 008870264, 009303074
FSC: 5306 — Bolts
CAGE: 98524 — MONOGRAM AEROSPACE FASTENERS, INC DBA TRIMAS AEROSPACE DIV MONOGRAM AEROSPACE FASTENERS (USA)
SPECIFICATIONS
materialNICKEL ALLOY OVERALL
head_styleDOUBLE HEXAGON W/HOLE
head_height0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
thread_class3A A
thread_length0.678 INCHES MINIMUM AND 0.698 INCHES MAXIMUM IN
fastener_length0.678 INCHES MINIMUM AND 0.698 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
features_providedFINISHED HEAD
width_between_flats0.243 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN
nominal_thread_diameter0.190 INCHES IN
extended_washer_diameter0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
thread_quantity_per_inch32
NSN5306-00-850-7604
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 557017 · 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: 0.080 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.775 INCHES MINIMUM AND 0.795 INCHES MAXIMUM IN
•
SHOULDER LENGTH: 0.130 INCHES MINIMUM AND 0.134 INCHES MAXIMUM FIRST SHOULDER IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS 2406 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
•
SHOULDER DIAMETER: 0.371 INCHES MINIMUM AND 0.372 INCHES MAXIMUM FIRST SHOULDER IN
•
THREAD LENGTH: 0.295 INCHES MINIMUM AND 0.335 INCHES MAXIMUM IN
•
SHOULDER SHAPE: ROUND FIRST SHOULDER
•
HARDNESS RATING: 30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.080 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN
FASTENER LENGTH0.775 INCHES MINIMUM AND 0.795 INCHES MAXIMUM IN
SHOULDER LENGTH0.130 INCHES MINIMUM AND 0.134 INCHES MAXIMUM FIRST SHOULDER IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2406 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SHOULDER DIAMETER0.371 INCHES MINIMUM AND 0.372 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH0.295 INCHES MINIMUM AND 0.335 INCHES MAXIMUM IN
SHOULDER SHAPEROUND FIRST SHOULDER
HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
SHANK UNTHREADED HOLE DIAMETER0.065 INCHES MINIMUM AND 0.072 INCHES MAXIMUM FIRST HOLE IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5616 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
553992Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 557017?
557017 is a SHAFT,PINION.
What parts can replace 557017?
There is 1 known substitute for 557017: 553992. Substitute compatibility should be verified for your specific system.
What is the NSN for 557017?
557017 is cataloged in the U.S. Government catalog under NSN 5306-00-850-7604. 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.