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X800057 — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

X800057: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include ring_style: SPECIAL, usage_design: EXTERNAL, inside_diameter: 0.859 INCHES MINIMUM AND 0.867 INCHES MAXIMUM IN, major_thickness: 0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN, surface_treatment: PHOSPHATE, casehardening_indicator: NOT CASEHARDENED. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-664-2753, 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
X800057
NSN: 5325-00-664-2753
FSC: 5325 — Fastening Devices
CAGE: 61361 — REXWORKS INC (USA)
SPECIFICATIONS
ring_styleSPECIAL
usage_designEXTERNAL
inside_diameter0.859 INCHES MINIMUM AND 0.867 INCHES MAXIMUM IN
major_thickness0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
surface_treatmentPHOSPHATE
casehardening_indicatorNOT CASEHARDENED
material_hardness_rating44.0 ROCKWELL C MINIMUM AND 51.0 ROCKWELL C MAXIMUM
cross-sectional_shape_styleRECTANGULAR
NSN5325-00-664-2753
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: X800057 · 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 HARDNESS RATING: 44.0 ROCKWELL C MINIMUM AND 51.0 ROCKWELL C MAXIMUM
•
USAGE DESIGN: EXTERNAL
•
MATERIAL DOCUMENT AND CLASSIFICATION: FED STD 66, COMP 1060 FED STD 1ST MATERIAL RESPONSE OR FED STD 66, COMP 1061 FED STD 2ND MATERIAL RESPONSE OR FED STD 66, COMP 1064 FED STD 3RD MATERIAL RESPONSE OR FED STD 66, COMP 1065 FED STD 4TH MATERIAL RESPONSE OR FED STD 66, COMP 1066 FED STD 5TH MATERIAL RESPONSE OR FED STD 66, COMP 1069 FED STD 6TH MATERIAL RESPONSE OR FED STD 66, COMP 1070 FED STD 7TH MATERIAL RESPONSE OR FED STD 66, COMP 1072 FED STD 8TH MATERIAL RESPONSE OR FED STD 66, COMP 1074 FED STD 9TH MATERIAL RESPONSE OR FED STD 66, COMP 1075 FED STD 10TH MATERIAL RESPONSE OR FED STD 66, COMP 1078 FED STD 11TH MATERIAL RESPONSE OR FED STD 66, COMP 1080 FED STD 12TH MATERIAL RESPONSE OR FED STD 66, COMP 1084 FED STD 13TH MATERIAL RESPONSE OR FED STD 66, COMP 1085 FED STD 14TH MATERIAL RESPONSE OR FED STD 66, COMP 1086 FED STD 15TH MATERIAL RESPONSE OR FED STD 66, COMP 1090 FED STD 16TH MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
MAJOR THICKNESS: 0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
•
INSIDE DIAMETER: 0.859 INCHES MINIMUM AND 0.867 INCHES MAXIMUM IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
RING STYLE: SPECIAL
TECHNICAL CHARACTERISTICS
MATERIAL HARDNESS RATING44.0 ROCKWELL C MINIMUM AND 51.0 ROCKWELL C MAXIMUM
USAGE DESIGNEXTERNAL
MATERIAL DOCUMENT AND CLASSIFICATIONFED STD 66, COMP 1060 FED STD 1ST MATERIAL RESPONSE OR FED STD 66, COMP 1061 FED STD 2ND MATERIAL RESPONSE OR FED STD 66, COMP 1064 FED STD 3RD MATERIAL RESPONSE OR FED STD 66, COMP 1065 FED STD 4TH MATERIAL RESPONSE OR FED STD 66, COMP 1066 FED STD 5TH MATERIAL RESPONSE OR FED STD 66, COMP 1069 FED STD 6TH MATERIAL RESPONSE OR FED STD 66, COMP 1070 FED STD 7TH MATERIAL RESPONSE OR FED STD 66, COMP 1072 FED STD 8TH MATERIAL RESPONSE OR FED STD 66, COMP 1074 FED STD 9TH MATERIAL RESPONSE OR FED STD 66, COMP 1075 FED STD 10TH MATERIAL RESPONSE OR FED STD 66, COMP 1078 FED STD 11TH MATERIAL RESPONSE OR FED STD 66, COMP 1080 FED STD 12TH MATERIAL RESPONSE OR FED STD 66, COMP 1084 FED STD 13TH MATERIAL RESPONSE OR FED STD 66, COMP 1085 FED STD 14TH MATERIAL RESPONSE OR FED STD 66, COMP 1086 FED STD 15TH MATERIAL RESPONSE OR FED STD 66, COMP 1090 FED STD 16TH MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
MAJOR THICKNESS0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
INSIDE DIAMETER0.859 INCHES MINIMUM AND 0.867 INCHES MAXIMUM IN
CASEHARDENING INDICATORNOT CASEHARDENED
RING STYLESPECIAL
SURFACE TREATMENTPHOSPHATE
MATERIALSTEEL COMP 1060 OR STEEL COMP 1561 OR STEEL COMP 1064 OR STEEL COMP 1065 OR STEEL COMP 1566 OR STEEL COMP 1069 OR STEEL COMP 1070 OR STEEL COMP 1572 OR STEEL COMP 1074 OR STEEL COMP 1075 OR STEEL COMP 1078 OR STEEL COMP 1080 OR STEEL COMP 1085 OR STEEL COMP 1086 OR STEEL COMP 1090
SUBSTITUTES & CROSS-REFERENCES 4
972C768-2Reference document
Same NSN cross-reference
Reference document — Secondary reference
MS90708-98Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
5107-98Reference document
Same NSN cross-reference
Reference document — Secondary reference
SG-4487 PIECE 14Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is X800057?
X800057 is a RING,RETAINING.
What parts can replace X800057?
There are 4 known substitutes for X800057: 972C768-2, MS90708-98, 5107-98 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for X800057?
X800057 is cataloged in the U.S. Government catalog under NSN 5325-00-664-2753. This indicates validated use in U.S. government and defense supply chains.
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