PartsTable
Technical Data Sheet
Download PDF

LR-153 — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

LR-153: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL, ring_style: HOOKED WIRE, usage_design: INTERNAL, inside_diameter: 1.267 INCHES NOMINAL IN, major_thickness: 0.109 INCHES NOMINAL IN, outside_diameter: 1.391 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-981-8548, 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
LR-153
NSN: 5325-00-981-8548
FSC: 5325 — Fastening Devices
CAGE: 77535 — ASSOCIATED SPRING US, LLC DIV CORRY (USA)
SPECIFICATIONS
materialSTEEL
ring_styleHOOKED WIRE
usage_designINTERNAL
inside_diameter1.267 INCHES NOMINAL IN
major_thickness0.109 INCHES NOMINAL IN
outside_diameter1.391 INCHES NOMINAL IN
casehardening_indicatorNOT CASEHARDENED
cross-sectional_shape_styleRECTANGULAR
NSN5325-00-981-8548
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: LR-153 · 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
•
OUTSIDE DIAMETER: 1.391 INCHES NOMINAL IN
•
MAJOR THICKNESS: 0.109 INCHES NOMINAL IN
•
INSIDE DIAMETER: 1.267 INCHES NOMINAL IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
RING STYLE: HOOKED WIRE
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
USAGE DESIGNINTERNAL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
OUTSIDE DIAMETER1.391 INCHES NOMINAL IN
MAJOR THICKNESS0.109 INCHES NOMINAL IN
INSIDE DIAMETER1.267 INCHES NOMINAL IN
CASEHARDENING INDICATORNOT CASEHARDENED
RING STYLEHOOKED WIRE
MATERIALSTEEL
OTHER ITEMS IN FSC 5325 — Fastening Devices
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5325-00-000-1884 5325-00-000-9988 5325-00-001-1567 5325-00-001-2043 5325-00-001-3842 5325-00-001-3858 5325-00-001-3871 5325-00-001-4317
SUBSTITUTES & CROSS-REFERENCES 2
H31-731Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
H31-557Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy LR-153?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is LR-153?
LR-153 is a RING,RETAINING.
What parts can replace LR-153?
There are 2 known substitutes for LR-153: H31-731, H31-557. Substitute compatibility should be verified for your specific system.
What is the NSN for LR-153?
LR-153 is cataloged in the U.S. Government catalog under NSN 5325-00-981-8548. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — LR-153

✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.