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RR550 — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

RR550: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1070, ring_style: SPECIAL FLAT, usage_design: INTERNAL, inside_diameter: 5.197 INCHES MINIMUM AND 5.216 INCHES MAXIMUM IN, major_thickness: 0.070 INCHES NOMINAL IN, strength_rating: ERR-060. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-559-5203, 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
RR550
NSN: 5325-00-559-5203
NIINs: 005595203, 015522981
FSC: 5325 — Fastening Devices
CAGE: 80756 — SPIROLOX INC (USA)
SPECIFICATIONS
materialSTEEL COMP 1070
ring_styleSPECIAL FLAT
usage_designINTERNAL
inside_diameter5.197 INCHES MINIMUM AND 5.216 INCHES MAXIMUM IN
major_thickness0.070 INCHES NOMINAL IN
strength_ratingERR-060
outside_diameter5.693 INCHES NOMINAL IN
special_featuresRAPID RHINO INFLATABLE CUFF IS CARBOXYMETHYLCELLULOSE HYDROCOLLOID FABRIC; ANTERIOR CUFF LGTH: 5.5CM; ADULT SIZE; INFALTED CUFF IN NOSE CONTROLS EPISTAXIS (HEMORAGE); PKG/10 CM
casehardening_indicatorNOT CASEHARDENED
cross-sectional_shape_styleDOUBLE OVAL
material_document_and_classificationSAE 1070 ASSN STD SINGLE MATERIAL RESPONSE
part_name_assigned_by_controlling_agencyCUFF EPISTAXIS F/HEMORAGE CONTROL IN NOSE 5.5CM L 10S CM
NSN5325-00-559-5203
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: RR550 · 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
•
STRENGTH RATING: ERR-060
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE 1070 ASSN STD SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: DOUBLE OVAL
•
OUTSIDE DIAMETER: 5.693 INCHES NOMINAL IN
•
MAJOR THICKNESS: 0.070 INCHES NOMINAL IN
•
INSIDE DIAMETER: 5.197 INCHES MINIMUM AND 5.216 INCHES MAXIMUM IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
TECHNICAL CHARACTERISTICS
USAGE DESIGNINTERNAL
STRENGTH RATINGERR-060
MATERIAL DOCUMENT AND CLASSIFICATIONSAE 1070 ASSN STD SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLEDOUBLE OVAL
OUTSIDE DIAMETER5.693 INCHES NOMINAL IN
MAJOR THICKNESS0.070 INCHES NOMINAL IN
INSIDE DIAMETER5.197 INCHES MINIMUM AND 5.216 INCHES MAXIMUM IN
CASEHARDENING INDICATORNOT CASEHARDENED
RING STYLESPECIAL FLAT
MATERIALSTEEL COMP 1070
SUBSTITUTES & CROSS-REFERENCES 1
WH-550Reference 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
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FREQUENTLY ASKED QUESTIONS
What is RR550?
RR550 is a RING,RETAINING.
What parts can replace RR550?
There is 1 known substitute for RR550: WH-550. Substitute compatibility should be verified for your specific system.
What is the NSN for RR550?
RR550 is cataloged in the U.S. Government catalog under NSN 5325-00-559-5203. This indicates validated use in U.S. government and defense supply chains.
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