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Technical Data Sheet
PartsTable / COMPONENT / MS16629-1137
MS16629-1137 ✓ 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, ring_style: INTERNAL BOWED, usage_design: INTERNAL, end_play_takeup: 0.020 INCHES MAXIMUM IN, major_thickness: 0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN, outside_diameter: 1.476 INCHES MINIMUM AND 1.501 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-252-7750, 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
MS16629-1137
NSN: 5325-00-252-7750
FSC: 5325
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialSTEEL
ring_styleINTERNAL BOWED
usage_designINTERNAL
end_play_takeup0.020 INCHES MAXIMUM IN
major_thickness0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
outside_diameter1.476 INCHES MINIMUM AND 1.501 INCHES MAXIMUM IN
surface_treatmentCADMIUM
casehardening_indicatorNOT CASEHARDENED
material_hardness_rating47.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationFED STD 66,1066 TO 1090 FED STD SINGLE MATERIAL RESPONSE
NSN5325-00-252-7750
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: MS16629-1137 · 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
•
END PLAY TAKEUP: 0.020 INCHES MAXIMUM IN
•
MATERIAL: STEEL
•
SURFACE TREATMENT: CADMIUM
•
MATERIAL DOCUMENT AND CLASSIFICATION: FED STD 66,1066 TO 1090 FED STD SINGLE MATERIAL RESPONSE
•
MAJOR THICKNESS: 0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 1.476 INCHES MINIMUM AND 1.501 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
TECHNICAL CHARACTERISTICS (FLIS)
USAGE DESIGNINTERNAL
END PLAY TAKEUP0.020 INCHES MAXIMUM IN
MATERIALSTEEL
SURFACE TREATMENTCADMIUM
MATERIAL DOCUMENT AND CLASSIFICATIONFED STD 66,1066 TO 1090 FED STD SINGLE MATERIAL RESPONSE
MAJOR THICKNESS0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
OUTSIDE DIAMETER1.476 INCHES MINIMUM AND 1.501 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
RING STYLEINTERNAL BOWED
CASEHARDENING INDICATORNOT CASEHARDENED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
559Interchangeable
interchangeable cross-reference
interchangeable
B1004Interchangeable
interchangeable cross-reference
interchangeable
140656Interchangeable
interchangeable cross-reference
interchangeable
N5001-137-S-MFInterchangeable
Same NIIN cross-reference
interchangeable
N5001-137MDInterchangeable
Same NIIN cross-reference
interchangeable
T1BR137SCPInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS16629-1137?
MS16629-1137 is a RING,RETAINING.
What parts can replace MS16629-1137?
There are 8 known substitutes for MS16629-1137: 559, B1004, 140656 and 5 more. Substitute compatibility should be verified for your specific system.
Is MS16629-1137 still available?
MS16629-1137 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