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3001-X81-SS2 — Technical Data Sheet

✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 632, ring_style: INTERNAL BOWED, usage_design: INTERNAL, end_play_takeup: 0.031 INCHES MAXIMUM IN, major_thickness: 0.042 INCHES NOMINAL IN, outside_diameter: 0.901 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 5325-00-854-9318, 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
3001-X81-SS2
NSN: 5325-00-854-9318
FSC: 5325
CAGE: 97464 — TRUARC CO LLC (USA)
SPECIFICATIONS
materialSTEEL COMP 632
ring_styleINTERNAL BOWED
usage_designINTERNAL
end_play_takeup0.031 INCHES MAXIMUM IN
major_thickness0.042 INCHES NOMINAL IN
outside_diameter0.901 INCHES NOMINAL IN
surface_treatmentPASSIVATE
casehardening_indicatorNOT CASEHARDENED
material_hardness_rating63.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 69.5 ROCKWELL SUPERFICIAL 30-N MAXIMUM
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationAMS 5520 ASSN STD SINGLE MATERIAL RESPONSE
NSN5325-00-854-9318
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 3001-X81-SS2 · 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: INTERNAL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
END PLAY TAKEUP: 0.031 INCHES MAXIMUM IN
•
SURFACE TREATMENT: PASSIVATE
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5520 ASSN STD SINGLE MATERIAL RESPONSE
•
MATERIAL: STEEL COMP 632
•
OUTSIDE DIAMETER: 0.901 INCHES NOMINAL IN
•
MATERIAL HARDNESS RATING: 63.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 69.5 ROCKWELL SUPERFICIAL 30-N MAXIMUM
TECHNICAL CHARACTERISTICS
USAGE DESIGNINTERNAL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
END PLAY TAKEUP0.031 INCHES MAXIMUM IN
SURFACE TREATMENTPASSIVATE
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5520 ASSN STD SINGLE MATERIAL RESPONSE
MATERIALSTEEL COMP 632
OUTSIDE DIAMETER0.901 INCHES NOMINAL IN
MATERIAL HARDNESS RATING63.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 69.5 ROCKWELL SUPERFICIAL 30-N MAXIMUM
RING STYLEINTERNAL BOWED
CASEHARDENING INDICATORNOT CASEHARDENED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
N1300-244ASInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
N5000-181HInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
MS16625-4181InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
N50001-86-HInterchangeableGOVERNMENT REGISTRY
Same NIIN cross-reference
interchangeable
N5001-81HInterchangeableGOVERNMENT REGISTRY
Same NIIN cross-reference
interchangeable
MS16629-4081InterchangeableGOVERNMENT REGISTRY
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3001-X81-SS2?
3001-X81-SS2 is a RING,RETAINING.
What parts can replace 3001-X81-SS2?
There are 6 known substitutes for 3001-X81-SS2: N1300-244AS, N5000-181H, MS16625-4181 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3001-X81-SS2?
3001-X81-SS2 is cataloged in the Federal Logistics Information System under NSN 5325-00-854-9318. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
Last verified: October 2026