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2019D31 — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

2019D31: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1065 OR STEEL COMP 1090, end_style: DIAGONAL PARALLEL, ring_style: EXTERNAL BOWED, usage_design: EXTERNAL, end_play_takeup: 0.020 INCHES MAXIMUM IN, inside_diameter: 1.156 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-598-7382, 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
2019D31
NSN: 5325-00-598-7382
NIINs: 005987382, 005987402
FSC: 5325 — Fastening Devices
CAGE: 66640 — CURTISS-WRIGHT FLIGHT SYSTEMS/SHELBY INC (USA)
SPECIFICATIONS
materialSTEEL COMP 1065 OR STEEL COMP 1090
end_styleDIAGONAL PARALLEL
ring_styleEXTERNAL BOWED
usage_designEXTERNAL
end_play_takeup0.020 INCHES MAXIMUM IN
inside_diameter1.156 INCHES NOMINAL IN
major_thickness0.050 INCHES NOMINAL IN
strength_ratingERR-060
outside_diameter0.340 INCHES NOMINAL IN
material_diameter0.032 INCHES MINIMUM AND 0.033 INCHES MAXIMUM IN
surface_treatmentCADMIUM OR ZINC AND CHROMATE
casehardening_indicatorNOT CASEHARDENED
NSN5325-00-598-7382
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 2019D31 · 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: 47.0 ROCKWELL C MINIMUM AND 56.0 ROCKWELL C MAXIMUM
•
USAGE DESIGN: EXTERNAL
•
STRENGTH RATING: ERR-060
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A576, COMP 1065 TO COMP 1090 ASSN STD SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
END PLAY TAKEUP: 0.020 INCHES MAXIMUM IN
•
MAJOR THICKNESS: 0.050 INCHES NOMINAL IN
•
INSIDE DIAMETER: 1.156 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
MATERIAL HARDNESS RATING47.0 ROCKWELL C MINIMUM AND 56.0 ROCKWELL C MAXIMUM
USAGE DESIGNEXTERNAL
STRENGTH RATINGERR-060
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A576, COMP 1065 TO COMP 1090 ASSN STD SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
END PLAY TAKEUP0.020 INCHES MAXIMUM IN
MAJOR THICKNESS0.050 INCHES NOMINAL IN
INSIDE DIAMETER1.156 INCHES NOMINAL IN
CASEHARDENING INDICATORNOT CASEHARDENED
RING STYLEEXTERNAL BOWED
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 2019D31?
2019D31 is a RING,RETAINING.
What is the NSN for 2019D31?
2019D31 is cataloged in the U.S. Government catalog under NSN 5325-00-598-7382. 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.