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Technical Data Sheet
PartsTable / COMPONENT / 91600870
91600870 ✓ 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, end_style: 90 DEGREE PARALLEL, ring_style: STRAIGHT GAP, usage_design: EXTERNAL, inside_diameter: 0.345 INCHES NOMINAL IN, outside_diameter: 0.431 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-598-6312, 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
91600870
NSN: 5325-00-598-6312
FSC: 5325
CAGE: 82796 — COLTEC INDUSTRIES INC. DBA FAIRBANKS MORSE ENGINE DIV FAIRBANKS MORSE ENGINE (USA)
SPECIFICATIONS
materialSTEEL
end_style90 DEGREE PARALLEL
ring_styleSTRAIGHT GAP
usage_designEXTERNAL
inside_diameter0.345 INCHES NOMINAL IN
outside_diameter0.431 INCHES NOMINAL IN
material_diameter0.043 INCHES NOMINAL IN
casehardening_indicatorNOT CASEHARDENED
material_hardness_rating40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
cross-sectional_shape_styleROUND
nondefinitive_spec/std_data42-R-2-45-4730 REFERENCE NUMBER
material_document_and_classificationJAN-S-1160,GRADE 1,TYPE B MIL SPEC SINGLE MATERIAL RESPONSE
NSN5325-00-598-6312
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 91600870 · 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
•
END STYLE: 90 DEGREE PARALLEL
•
CROSS-SECTIONAL SHAPE STYLE: ROUND
•
MATERIAL: STEEL
•
NONDEFINITIVE SPEC/STD DATA: 42-R-2-45-4730 REFERENCE NUMBER
•
MATERIAL DOCUMENT AND CLASSIFICATION: JAN-S-1160,GRADE 1,TYPE B MIL SPEC SINGLE MATERIAL RESPONSE
•
INSIDE DIAMETER: 0.345 INCHES NOMINAL IN
•
USAGE DESIGN: EXTERNAL
•
MATERIAL DIAMETER: 0.043 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
END STYLE90 DEGREE PARALLEL
CROSS-SECTIONAL SHAPE STYLEROUND
MATERIALSTEEL
NONDEFINITIVE SPEC/STD DATA42-R-2-45-4730 REFERENCE NUMBER
MATERIAL DOCUMENT AND CLASSIFICATIONJAN-S-1160,GRADE 1,TYPE B MIL SPEC SINGLE MATERIAL RESPONSE
INSIDE DIAMETER0.345 INCHES NOMINAL IN
USAGE DESIGNEXTERNAL
MATERIAL DIAMETER0.043 INCHES NOMINAL IN
RING STYLESTRAIGHT GAP
OUTSIDE DIAMETER0.431 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
12Z7113-9724Interchangeable
interchangeable cross-reference
interchangeable
0STD600Interchangeable
interchangeable cross-reference
interchangeable
18750Interchangeable
interchangeable cross-reference
interchangeable
14-365-4INInterchangeable
interchangeable cross-reference
interchangeable
XRC339Interchangeable
interchangeable cross-reference
interchangeable
356-660335Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 91600870?
91600870 is a RING,RETAINING.
What parts can replace 91600870?
There are 22 known substitutes for 91600870: 12Z7113-9724, 0STD600, 18750 and 19 more. Substitute compatibility should be verified for your specific system.
Is 91600870 still available?
91600870 is currently cancelled.
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Last verified: July 2026