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Technical Data Sheet
PartsTable / COMPONENT / MS16625-4093
MS16625-4093 ✓ 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, usage_design: INTERNAL, major_thickness: 0.040 INCHES MINIMUM AND 0.044 INCHES MAXIMUM IN, outside_diameter: 1.031 INCHES MINIMUM AND 1.056 INCHES MAXIMUM IN, surface_treatment: PASSIVATE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-771-7358, 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
MS16625-4093
NSN: 5325-00-771-7358
FSC: 5325
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialSTEEL COMP 632
ring_styleINTERNAL
usage_designINTERNAL
major_thickness0.040 INCHES MINIMUM AND 0.044 INCHES MAXIMUM IN
outside_diameter1.031 INCHES MINIMUM AND 1.056 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
material_document_and_classificationAMS 5520 ASSN STD SINGLE MATERIAL RESPONSE
NSN5325-00-771-7358
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: MS16625-4093 · 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
•
MAJOR THICKNESS: 0.040 INCHES MINIMUM AND 0.044 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5520 ASSN STD SINGLE MATERIAL RESPONSE
•
MATERIAL: STEEL COMP 632
•
SURFACE TREATMENT: PASSIVATE
•
MATERIAL HARDNESS RATING: 63.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 69.5 ROCKWELL SUPERFICIAL 30-N MAXIMUM
•
OUTSIDE DIAMETER: 1.031 INCHES MINIMUM AND 1.056 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
USAGE DESIGNINTERNAL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
MAJOR THICKNESS0.040 INCHES MINIMUM AND 0.044 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5520 ASSN STD SINGLE MATERIAL RESPONSE
MATERIALSTEEL COMP 632
SURFACE TREATMENTPASSIVATE
MATERIAL HARDNESS RATING63.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 69.5 ROCKWELL SUPERFICIAL 30-N MAXIMUM
OUTSIDE DIAMETER1.031 INCHES MINIMUM AND 1.056 INCHES MAXIMUM IN
END ITEM IDENTIFICATIONW/S:ENGINE, AIRCRAFT, J85-GE-21 (F-5E/F); OSPREY CLASS MHC; HELICOPTER OBSERVATION (AHIP), OH-58D; FMS-KNOX CLASS FF; AVENGER CLASS MCM; FMS-A7 AIRCRAFT; FMS-ASROC LAUNCHER; AN/SLQ-48 MINE NEUTRALIZATION SYSTEM; HELICOPTER, ADVANCE ATTACK, AH-1W; STRATEGIC WEAPONS SYSTEMS (POSEIDON AND TRIDENT) W
CASEHARDENING INDICATORNOT CASEHARDENED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
292-4285G1Interchangeable
interchangeable cross-reference
interchangeable
9072900Interchangeable
interchangeable cross-reference
interchangeable
21-8276Interchangeable
interchangeable cross-reference
interchangeable
LIVITRINSIC-FInterchangeable
interchangeable cross-reference
interchangeable
NDC00182-0651-10Interchangeable
interchangeable cross-reference
interchangeable
43843Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS16625-4093?
MS16625-4093 is a RING,RETAINING.
What parts can replace MS16625-4093?
There are 13 known substitutes for MS16625-4093: 292-4285G1, 9072900, 21-8276 and 10 more. Substitute compatibility should be verified for your specific system.
Is MS16625-4093 still available?
MS16625-4093 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