PartsTable
Technical Data Sheet
3955 ITEM 41 ✓ 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: EXTERNAL, usage_design: EXTERNAL, inside_diameter: 0.683 INCHES MINIMUM AND 0.698 INCHES MAXIMUM IN, major_thickness: 0.040 INCHES MINIMUM AND 0.044 INCHES MAXIMUM IN, surface_treatment: PASSIVATE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-808-7913, 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
3955 ITEM 41
NSN: 5325-00-808-7913
FSC: 5325
CAGE: 34712 — LAKE SHORE SYSTEMS, INC. (USA)
SPECIFICATIONS
materialSTEEL COMP 632
ring_styleEXTERNAL
usage_designEXTERNAL
inside_diameter0.683 INCHES MINIMUM AND 0.698 INCHES MAXIMUM IN
major_thickness0.040 INCHES MINIMUM AND 0.044 INCHES MAXIMUM IN
surface_treatmentPASSIVATE
casehardening_indicatorNOT CASEHARDENED
end_item_identificationMULTIPLE LAUNCH ROCKET SYSTEM (MLRS); ARMORED MULTI-PURPOSE VEHICLE (AMPV)
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
NSN5325-00-808-7913
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 3955 ITEM 41 · 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
MAJOR THICKNESS: 0.040 INCHES MINIMUM AND 0.044 INCHES MAXIMUM IN
INSIDE DIAMETER: 0.683 INCHES MINIMUM AND 0.698 INCHES MAXIMUM IN
RING STYLE: EXTERNAL
CASEHARDENING INDICATOR: NOT CASEHARDENED
USAGE DESIGN: EXTERNAL
SURFACE TREATMENT: PASSIVATE
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5520 ASSN STD SINGLE MATERIAL RESPONSE
MATERIAL HARDNESS RATING: 63.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 69.5 ROCKWELL SUPERFICIAL 30-N MAXIMUM
TECHNICAL CHARACTERISTICS (FLIS)
MAJOR THICKNESS0.040 INCHES MINIMUM AND 0.044 INCHES MAXIMUM IN
INSIDE DIAMETER0.683 INCHES MINIMUM AND 0.698 INCHES MAXIMUM IN
RING STYLEEXTERNAL
CASEHARDENING INDICATORNOT CASEHARDENED
USAGE DESIGNEXTERNAL
SURFACE TREATMENTPASSIVATE
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5520 ASSN STD SINGLE MATERIAL RESPONSE
MATERIAL HARDNESS RATING63.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 69.5 ROCKWELL SUPERFICIAL 30-N MAXIMUM
END ITEM IDENTIFICATIONMULTIPLE LAUNCH ROCKET SYSTEM (MLRS); ARMORED MULTI-PURPOSE VEHICLE (AMPV)
MATERIALSTEEL COMP 632
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
402120Interchangeable
interchangeable cross-reference
interchangeable
33269Interchangeable
interchangeable cross-reference
interchangeable
15764Interchangeable
interchangeable cross-reference
interchangeable
TP531Interchangeable
interchangeable cross-reference
interchangeable
33269-1Interchangeable
interchangeable cross-reference
interchangeable
9063773Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
Ready to buy 3955 ITEM 41?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 3955 ITEM 41?
3955 ITEM 41 is a RING,RETAINING.
What parts can replace 3955 ITEM 41?
There are 15 known substitutes for 3955 ITEM 41: 402120, 33269, 15764 and 12 more. Substitute compatibility should be verified for your specific system.
Is 3955 ITEM 41 still available?
3955 ITEM 41 is currently cancelled.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 3955 ITEM 41