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Technical Data Sheet
PartsTable / COMPONENT / HS4954-01
HS4954-01 ✓ 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, ring_style: SPIRAL, inside_diameter: 1.635 INCHES NOMINAL IN, outside_diameter: 1.860 INCHES MINIMUM AND 1.880 INCHES MAXIMUM IN, material_diameter: 0.175 INCHES NOMINAL IN, surface_treatment: ZINC. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-01-466-0438, 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
HS4954-01
NSN: 5325-01-466-0438
FSC: 5325
CAGE: 8V613 — THE BOEING COMPANY (USA)
SPECIFICATIONS
materialSTEEL
ring_styleSPIRAL
inside_diameter1.635 INCHES NOMINAL IN
outside_diameter1.860 INCHES MINIMUM AND 1.880 INCHES MAXIMUM IN
material_diameter0.175 INCHES NOMINAL IN
surface_treatmentZINC
end_item_identificationAPACHE ATTACK HELICOPTER
cross-sectional_shape_styleROUND
NSN5325-01-466-0438
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: HS4954-01 · 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
•
MATERIAL: STEEL
•
SURFACE TREATMENT: ZINC
•
INSIDE DIAMETER: 1.635 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 1.860 INCHES MINIMUM AND 1.880 INCHES MAXIMUM IN
•
MATERIAL DIAMETER: 0.175 INCHES NOMINAL IN
•
RING STYLE: SPIRAL
•
CROSS-SECTIONAL SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL
SURFACE TREATMENTZINC
END ITEM IDENTIFICATIONAPACHE ATTACK HELICOPTER
INSIDE DIAMETER1.635 INCHES NOMINAL IN
OUTSIDE DIAMETER1.860 INCHES MINIMUM AND 1.880 INCHES MAXIMUM IN
MATERIAL DIAMETER0.175 INCHES NOMINAL IN
RING STYLESPIRAL
CROSS-SECTIONAL SHAPE STYLEROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
90209Interchangeable
interchangeable cross-reference
interchangeable
FBJW112TF-1YInterchangeable
interchangeable cross-reference
interchangeable
A02RS286-1Interchangeable
interchangeable cross-reference
interchangeable
130030Interchangeable
interchangeable cross-reference
interchangeable
18012AInterchangeable
interchangeable cross-reference
interchangeable
16485FInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is HS4954-01?
HS4954-01 is a RING,RETAINING.
What parts can replace HS4954-01?
There are 10 known substitutes for HS4954-01: 90209, FBJW112TF-1Y, A02RS286-1 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for HS4954-01?
HS4954-01 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-01-466-0438. 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