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853948 — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

853948: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: HEXAGON, nut_height: 0.298 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN, temp_rating: 250.0 FAHRENHEIT NOMINAL DEGF, thread_class: 3B, thread_series: UNF. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-143-5137, 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
853948
NSN: 5325-00-143-5137
NIINs: 001435137, 002752042
FSC: 5325 — Fastening Devices
CAGE: 89749 — CLARK MATERIAL HANDLING COMPANY (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleHEXAGON
nut_height0.298 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
temp_rating250.0 FAHRENHEIT NOMINAL DEGF
thread_class3B
thread_seriesUNF
locking_featurePREVAILING TORQUE ALL METAL DESIGN OR PREVAILING TORQUE WITH NONMETALLIC INSERT
thread_directionRIGHT-HAND
surface_treatmentCADMIUM OR ZINC OVERALL
width_across_flats0.740 INCHES MINIMUM AND 0.752 INCHES MAXIMUM IN
nominal_thread_size0.500 INCHES IN
bearing_surface_typeFLAT
NSN5325-00-143-5137
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 853948 · 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 OR INTERNAL
•
END STYLE: 90 DEGREE PARALLEL
•
MATERIAL DIAMETER: 0.095 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: ROUND
•
OUTSIDE DIAMETER: 0.879 INCHES MINIMUM AND 0.892 INCHES MAXIMUM IN
•
INSIDE DIAMETER: 0.673 INCHES MINIMUM AND 0.680 INCHES MAXIMUM IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
RING STYLE: STRAIGHT GAP
TECHNICAL CHARACTERISTICS
USAGE DESIGNEXTERNAL OR INTERNAL
END STYLE90 DEGREE PARALLEL
MATERIAL DIAMETER0.095 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEROUND
OUTSIDE DIAMETER0.879 INCHES MINIMUM AND 0.892 INCHES MAXIMUM IN
INSIDE DIAMETER0.673 INCHES MINIMUM AND 0.680 INCHES MAXIMUM IN
CASEHARDENING INDICATORNOT CASEHARDENED
RING STYLESTRAIGHT GAP
MATERIALSTEEL
SUBSTITUTES & CROSS-REFERENCES 7
17962MReference document
Same NSN cross-reference
Reference document — Secondary reference
648392Reference document
Same NSN cross-reference
Reference document — Secondary reference
A5246Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
DC3839Reference document
Same NSN cross-reference
Reference document — Secondary reference
R20501Reference document
Same NSN cross-reference
Reference document — Secondary reference
WPP1238Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 853948?
853948 is a RING,RETAINING.
What parts can replace 853948?
There are 7 known substitutes for 853948: 17962M, 648392, A5246 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 853948?
853948 is cataloged in the U.S. Government catalog under NSN 5325-00-143-5137. This indicates validated use in U.S. government and defense supply chains.
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