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Technical Data Sheet
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803AS603-54 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

803AS603-54: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, fastener_length: 1.250 INCHES NOMINAL IN, special_features: DESCRIPTION: BOLT, 5/8-18-1 1/4, STEEL; MAKE FROM: AN 10-15A A, thread_direction: RIGHT-HAND, end_item_identification: (DWG TITLE) STAND-WOTK PLATFORM TEST BED T56 ENGINE QEC TURBOPROP ENGINE TEST SYSTEM, nominal_thread_diameter: 0.625 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-645-3826, 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
803AS603-54
NSN: 5306-01-645-3826
FSC: 5306 — Bolts
CAGE: 30003 — NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL OVERALL
fastener_length1.250 INCHES NOMINAL IN
special_featuresDESCRIPTION: BOLT, 5/8-18-1 1/4, STEEL; MAKE FROM: AN 10-15A A
thread_directionRIGHT-HAND
end_item_identification(DWG TITLE) STAND-WOTK PLATFORM TEST BED T56 ENGINE QEC TURBOPROP ENGINE TEST SYSTEM
nominal_thread_diameter0.625 INCHES IN
thread_quantity_per_inch18
part_name_assigned_by_controlling_agency(INAVY) BOLT
NSN5306-01-645-3826
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 803AS603-54 · 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: 1.250 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.625 INCHES IN
•
THREAD DIRECTION: RIGHT-HAND
•
THREAD QUANTITY PER INCH: 18
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
FASTENER LENGTH1.250 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.625 INCHES IN
THREAD DIRECTIONRIGHT-HAND
SPECIAL FEATURESDESCRIPTION: BOLT, 5/8-18-1 1/4, STEEL; MAKE FROM: AN 10-15A A
PART NAME ASSIGNED BY CONTROLLING AGENCY(INAVY) BOLT
END ITEM IDENTIFICATION(DWG TITLE) STAND-WOTK PLATFORM TEST BED T56 ENGINE QEC TURBOPROP ENGINE TEST SYSTEM
THREAD QUANTITY PER INCH18
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
803AS603 REV AReference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 803AS603-54?
803AS603-54 is a BOLT,MACHINE.
What parts can replace 803AS603-54?
There is 1 known substitute for 803AS603-54: 803AS603 REV A. Substitute compatibility should be verified for your specific system.
What is the NSN for 803AS603-54?
803AS603-54 is cataloged in the U.S. Government catalog under NSN 5306-01-645-3826. 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.