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340-0378-000 — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

340-0378-000: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1070 OR STEEL COMP 1074 OR STEEL COMP 1080 OR STEEL COMP 1085 OR STEEL COMP 1090, ring_style: SPIRAL, usage_design: EXTERNAL, inside_diameter: 0.930 INCHES NOMINAL IN, major_thickness: 0.036 INCHES NOMINAL IN, strength_rating: ERR-060. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-281-3634, 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
340-0378-000
NSN: 5325-00-281-3634
FSC: 5325 — Fastening Devices
CAGE: 13499 — ROCKWELL COLLINS, INC. DBA COLLINS AEROSPACE GOVERNMENT SYSTEMS DIV COLLINS AEROSPACE - GOVERNMENT SYSTEMS (USA)
SPECIFICATIONS
materialSTEEL COMP 1070 OR STEEL COMP 1074 OR STEEL COMP 1080 OR STEEL COMP 1085 OR STEEL COMP 1090
ring_styleSPIRAL
usage_designEXTERNAL
inside_diameter0.930 INCHES NOMINAL IN
major_thickness0.036 INCHES NOMINAL IN
strength_ratingERR-060
outside_diameter1.080 INCHES NOMINAL IN
surface_treatmentCADMIUM
casehardening_indicatorNOT CASEHARDENED
material_hardness_rating45.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
cross-sectional_shape_styleDOUBLE OVAL
material_document_and_classificationASTM A576 COMP 1070,1074,1080,1085 OR 1090 ASSN STD SINGLE MATERIAL RESPONSE
NSN5325-00-281-3634
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 340-0378-000 · 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: 45.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
•
USAGE DESIGN: EXTERNAL
•
STRENGTH RATING: ERR-060
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A576 COMP 1070,1074,1080,1085 OR 1090 ASSN STD SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: DOUBLE OVAL
•
OUTSIDE DIAMETER: 1.080 INCHES NOMINAL IN
•
MAJOR THICKNESS: 0.036 INCHES NOMINAL IN
•
INSIDE DIAMETER: 0.930 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
MATERIAL HARDNESS RATING45.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
USAGE DESIGNEXTERNAL
STRENGTH RATINGERR-060
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A576 COMP 1070,1074,1080,1085 OR 1090 ASSN STD SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLEDOUBLE OVAL
OUTSIDE DIAMETER1.080 INCHES NOMINAL IN
MAJOR THICKNESS0.036 INCHES NOMINAL IN
INSIDE DIAMETER0.930 INCHES NOMINAL IN
CASEHARDENING INDICATORNOT CASEHARDENED
RING STYLESPIRAL
SUBSTITUTES & CROSS-REFERENCES 6
3014T93P06Reference document
Same NSN cross-reference
Reference document — Replaced / superseded reference
3414-98PSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
903603Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
340-0378-00Reference document
Same NSN cross-reference
Reference document — Secondary reference
RS98CKReference document
Same NSN cross-reference
Reference document — Secondary reference
641-066Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 340-0378-000?
340-0378-000 is a RING,RETAINING.
What parts can replace 340-0378-000?
There are 6 known substitutes for 340-0378-000: 3014T93P06, 3414-98P, 903603 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 340-0378-000?
340-0378-000 is cataloged in the U.S. Government catalog under NSN 5325-00-281-3634. 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.