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Technical Data Sheet
PartsTable / COMPONENT / R271NAA0021NN643NNPF1
R271NAA0021NN643NNPF1 ✓ 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: COPPER ALLOY 170 OR COPPER ALLOY 172, ring_style: EXTERNAL, usage_design: EXTERNAL, inside_diameter: 0.192 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN, major_thickness: 0.013 INCHES MINIMUM AND 0.017 INCHES MAXIMUM IN, strength_rating: ERR-060. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-01-225-1094, 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
R271NAA0021NN643NNPF1
NSN: 5325-01-225-1094
FSC: 5325
CAGE: 05047 — THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS (USA)
SPECIFICATIONS
materialCOPPER ALLOY 170 OR COPPER ALLOY 172
ring_styleEXTERNAL
usage_designEXTERNAL
inside_diameter0.192 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN
major_thickness0.013 INCHES MINIMUM AND 0.017 INCHES MAXIMUM IN
strength_ratingERR-060
casehardening_indicatorNOT CASEHARDENED
material_hardness_rating77.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 82.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM
cross-sectional_shape_styleRECTANGULAR
NSN5325-01-225-1094
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: R271NAA0021NN643NNPF1 · 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
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
MATERIAL: COPPER ALLOY 170 OR COPPER ALLOY 172
•
INSIDE DIAMETER: 0.192 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN
•
STRENGTH RATING: ERR-060
•
USAGE DESIGN: EXTERNAL
•
MAJOR THICKNESS: 0.013 INCHES MINIMUM AND 0.017 INCHES MAXIMUM IN
•
RING STYLE: EXTERNAL
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
MATERIALCOPPER ALLOY 170 OR COPPER ALLOY 172
INSIDE DIAMETER0.192 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN
STRENGTH RATINGERR-060
USAGE DESIGNEXTERNAL
MAJOR THICKNESS0.013 INCHES MINIMUM AND 0.017 INCHES MAXIMUM IN
RING STYLEEXTERNAL
CASEHARDENING INDICATORNOT CASEHARDENED
MATERIAL HARDNESS RATING77.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 82.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
7.50-10Interchangeable
interchangeable cross-reference
interchangeable
X/GP1/TYBB/7.50-10/CInterchangeable
interchangeable cross-reference
interchangeable
ZZ-T-410Interchangeable
interchangeable cross-reference
interchangeable
418767-55Interchangeable
interchangeable cross-reference
interchangeable
2036000486Interchangeable
interchangeable cross-reference
interchangeable
30151470Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is R271NAA0021NN643NNPF1?
R271NAA0021NN643NNPF1 is a RING,RETAINING.
What parts can replace R271NAA0021NN643NNPF1?
There are 14 known substitutes for R271NAA0021NN643NNPF1: 7.50-10, X/GP1/TYBB/7.50-10/C, ZZ-T-410 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for R271NAA0021NN643NNPF1?
R271NAA0021NN643NNPF1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-01-225-1094. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026