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PartsTable / COMPONENT / NAS50-37
NAS50-37 ✓ 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: INTERNAL, usage_design: INTERNAL, major_thickness: 0.027 INCHES NOMINAL IN, strength_rating: ERR-060, outside_diameter: 0.403 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-530-6775, 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
NAS50-37
NSN: 5325-00-530-6775
FSC: 5325
CAGE: 35351 — GE AVIATION SYSTEMS LLC (USA)
SPECIFICATIONS
materialSTEEL
ring_styleINTERNAL
usage_designINTERNAL
major_thickness0.027 INCHES NOMINAL IN
strength_ratingERR-060
outside_diameter0.403 INCHES NOMINAL IN
surface_treatmentCADMIUM
casehardening_indicatorNOT CASEHARDENED
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationSAE, NO. 1065 TO 1090 ASSN STD SINGLE MATERIAL RESPONSE
NSN5325-00-530-6775
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: NAS50-37 · 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
•
RING STYLE: INTERNAL
•
OUTSIDE DIAMETER: 0.403 INCHES NOMINAL IN
•
STRENGTH RATING: ERR-060
•
MATERIAL: STEEL
•
SURFACE TREATMENT: CADMIUM
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE, NO. 1065 TO 1090 ASSN STD SINGLE MATERIAL RESPONSE
•
USAGE DESIGN: INTERNAL
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
TECHNICAL CHARACTERISTICS (FLIS)
RING STYLEINTERNAL
OUTSIDE DIAMETER0.403 INCHES NOMINAL IN
STRENGTH RATINGERR-060
MATERIALSTEEL
SURFACE TREATMENTCADMIUM
MATERIAL DOCUMENT AND CLASSIFICATIONSAE, NO. 1065 TO 1090 ASSN STD SINGLE MATERIAL RESPONSE
USAGE DESIGNINTERNAL
CASEHARDENING INDICATORNOT CASEHARDENED
MAJOR THICKNESS0.027 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
140020Interchangeable
interchangeable cross-reference
interchangeable
NAS50-37Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NAS50-37?
NAS50-37 is a RING,RETAINING.
What parts can replace NAS50-37?
There are 2 known substitutes for NAS50-37: 140020, NAS50-37. Substitute compatibility should be verified for your specific system.
What is the NSN for NAS50-37?
NAS50-37 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-530-6775. 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