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3903-038 — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

3903-038: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 631, ring_style: HOOKED, usage_design: INTERNAL, inside_diameter: 0.469 INCHES NOMINAL IN, major_thickness: 0.034 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN, outside_diameter: 0.537 INCHES MINIMUM AND 0.541 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-188-6718, 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
3903-038
NSN: 5325-01-188-6718
FSC: 5325 — Fastening Devices
CAGE: 66503 — WOODWARD, INC. DIV FUEL SYSTEMS AND CONTROLS (USA)
SPECIFICATIONS
materialSTEEL COMP 631
ring_styleHOOKED
usage_designINTERNAL
inside_diameter0.469 INCHES NOMINAL IN
major_thickness0.034 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN
outside_diameter0.537 INCHES MINIMUM AND 0.541 INCHES MAXIMUM IN
surface_treatmentPASSIVATE
casehardening_indicatorNOT CASEHARDENED
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationAMS 5673 ASSN STD SINGLE MATERIAL RESPONSE
surface_treatment_document_and_classificationSP-229 FSCM 66503 MFR REF SINGLE TREATMENT RESPONSE
NSN5325-01-188-6718
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 3903-038 · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: SP-229 FSCM 66503 MFR REF SINGLE TREATMENT RESPONSE
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5673 ASSN STD SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
OUTSIDE DIAMETER: 0.537 INCHES MINIMUM AND 0.541 INCHES MAXIMUM IN
•
MAJOR THICKNESS: 0.034 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN
•
INSIDE DIAMETER: 0.469 INCHES NOMINAL IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
TECHNICAL CHARACTERISTICS
USAGE DESIGNINTERNAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONSP-229 FSCM 66503 MFR REF SINGLE TREATMENT RESPONSE
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5673 ASSN STD SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
OUTSIDE DIAMETER0.537 INCHES MINIMUM AND 0.541 INCHES MAXIMUM IN
MAJOR THICKNESS0.034 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN
INSIDE DIAMETER0.469 INCHES NOMINAL IN
CASEHARDENING INDICATORNOT CASEHARDENED
RING STYLEHOOKED
SURFACE TREATMENTPASSIVATE
OTHER ITEMS IN FSC 5325 — Fastening Devices
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5325-00-000-1884 5325-00-000-9988 5325-00-001-1567 5325-00-001-2043 5325-00-001-3842 5325-00-001-3858 5325-00-001-3871 5325-00-001-4317
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3903-038?
3903-038 is a RING,RETAINING.
What is the NSN for 3903-038?
3903-038 is cataloged in the U.S. Government catalog under NSN 5325-01-188-6718. This indicates validated use in U.S. government and defense supply chains.
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