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Technical Data Sheet
PartsTable / COMPONENT / MS16624-4037
MS16624-4037 ✓ 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: 0.336 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN, major_thickness: 0.023 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN, surface_treatment: PASSIVATE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-282-7120, 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
MS16624-4037
NSN: 5325-00-282-7120
FSC: 5325
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialSTEEL COMP 632
ring_styleEXTERNAL
usage_designEXTERNAL
inside_diameter0.336 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN
major_thickness0.023 INCHES MINIMUM AND 0.027 INCHES MAXIMUM 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
criticality_code_justificationZZZY
material_document_and_classificationAMS 5520 ASSN STD SINGLE MATERIAL RESPONSE
reference_number_differentiating_characteristicsMATERIAL WILL BE IN ACCORDANCE WITH NAVICP; MECH ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.
NSN5325-00-282-7120
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: MS16624-4037 · 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 HARDNESS RATING: 63.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 69.5 ROCKWELL SUPERFICIAL 30-N MAXIMUM
•
MATERIAL: STEEL COMP 632
•
SURFACE TREATMENT: PASSIVATE
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5520 ASSN STD SINGLE MATERIAL RESPONSE
•
RING STYLE: EXTERNAL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONMULTIPLE LAUNCH ROCKET SYSTEM (MLRS); ARMORED MULTI-PURPOSE VEHICLE (AMPV)
USAGE DESIGNEXTERNAL
MATERIAL HARDNESS RATING63.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 69.5 ROCKWELL SUPERFICIAL 30-N MAXIMUM
MATERIALSTEEL COMP 632
SURFACE TREATMENTPASSIVATE
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5520 ASSN STD SINGLE MATERIAL RESPONSE
RING STYLEEXTERNAL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
MAJOR THICKNESS0.023 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN
CASEHARDENING INDICATORNOT CASEHARDENED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
100-AWSTDInterchangeable
interchangeable cross-reference
interchangeable
71-96Interchangeable
interchangeable cross-reference
interchangeable
1150-989Interchangeable
interchangeable cross-reference
interchangeable
110141Interchangeable
interchangeable cross-reference
interchangeable
6G110141Interchangeable
interchangeable cross-reference
interchangeable
10965Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS16624-4037?
MS16624-4037 is a RING,RETAINING.
What parts can replace MS16624-4037?
There are 26 known substitutes for MS16624-4037: 100-AWSTD, 71-96, 1150-989 and 23 more. Substitute compatibility should be verified for your specific system.
Is MS16624-4037 still available?
MS16624-4037 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026