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551041-01 — 551041-01

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

551041-01: 551041-01.

The 551041-01 is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY, end_item_identification: EH-101 HELICOPTER CARGO HANDLING SYSTEM, AAR CARGO SYSTEMS. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-063-3233, 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
551041-01
NSN: 5325-00-063-3233
NIINs: 000633233, 014973587
FSC: 5325 — Fastening Devices
CAGE: R1120 — SATAIR A/S (DNK)
SPECIFICATIONS
materialALUMINUM ALLOY
end_item_identificationEH-101 HELICOPTER CARGO HANDLING SYSTEM, AAR CARGO SYSTEMS
NSN5325-00-063-3233
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 551041-01 · 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
•
USAGE DESIGN: EXTERNAL
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE 1065 THRU 1090 ASSN STD SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
MAJOR THICKNESS: 0.010 INCHES NOMINAL IN
•
INSIDE DIAMETER: 0.112 INCHES NOMINAL IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
RING STYLE: EXTERNAL
•
MATERIAL: STEEL COMP 1065 OR STEEL COMP 1090 OR STEEL
TECHNICAL CHARACTERISTICS
USAGE DESIGNEXTERNAL
MATERIAL DOCUMENT AND CLASSIFICATIONSAE 1065 THRU 1090 ASSN STD SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
MAJOR THICKNESS0.010 INCHES NOMINAL IN
INSIDE DIAMETER0.112 INCHES NOMINAL IN
CASEHARDENING INDICATORNOT CASEHARDENED
RING STYLEEXTERNAL
MATERIALSTEEL COMP 1065 OR STEEL COMP 1090 OR STEEL
SUBSTITUTES & CROSS-REFERENCES 1
5100-12Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 551041-01?
551041-01 is a 551041-01.
What parts can replace 551041-01?
There is 1 known substitute for 551041-01: 5100-12. Substitute compatibility should be verified for your specific system.
What is the NSN for 551041-01?
551041-01 is cataloged in the U.S. Government catalog under NSN 5325-00-063-3233. 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.