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2974RX — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

2974RX: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL, ring_style: WIRE, usage_design: EXTERNAL, inside_diameter: 2.250 INCHES NOMINAL IN, major_thickness: 0.058 INCHES NOMINAL IN, outside_diameter: 2.563 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-281-6661, 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
2974RX
NSN: 5325-00-281-6661
FSC: 5325 — Fastening Devices
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
materialSTEEL
ring_styleWIRE
usage_designEXTERNAL
inside_diameter2.250 INCHES NOMINAL IN
major_thickness0.058 INCHES NOMINAL IN
outside_diameter2.563 INCHES NOMINAL IN
casehardening_indicatorNOT CASEHARDENED
cross-sectional_shape_styleRECTANGULAR
NSN5325-00-281-6661
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 2974RX · 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
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
OUTSIDE DIAMETER: 2.563 INCHES NOMINAL IN
•
MAJOR THICKNESS: 0.058 INCHES NOMINAL IN
•
INSIDE DIAMETER: 2.250 INCHES NOMINAL IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
RING STYLE: WIRE
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
USAGE DESIGNEXTERNAL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
OUTSIDE DIAMETER2.563 INCHES NOMINAL IN
MAJOR THICKNESS0.058 INCHES NOMINAL IN
INSIDE DIAMETER2.250 INCHES NOMINAL IN
CASEHARDENING INDICATORNOT CASEHARDENED
RING STYLEWIRE
MATERIALSTEEL
SUBSTITUTES & CROSS-REFERENCES 3
427347Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
13786JReference document
Same NSN cross-reference
Reference document — Secondary reference
17175AReference 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 2974RX?
2974RX is a RING,RETAINING.
What parts can replace 2974RX?
There are 3 known substitutes for 2974RX: 427347, 13786J, 17175A. Substitute compatibility should be verified for your specific system.
What is the NSN for 2974RX?
2974RX is cataloged in the U.S. Government catalog under NSN 5325-00-281-6661. This indicates validated use in U.S. government and defense supply chains.
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✓ 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.