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Technical Data Sheet
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3-020-006-01 — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

3-020-006-01: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4340, usage_design: EXTERNAL, major_thickness: 0.250 INCHES NOMINAL IN, casehardening_indicator: NOT CASEHARDENED, end_item_identification: 2530-01-136-8738 TANK,CMBT,IMPROVED ARMOR,CMBT85SP2,M1IA, material_hardness_rating: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-073-7748, 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
3-020-006-01
NSN: 5325-01-073-7748
FSC: 5325 — Fastening Devices
CAGE: 99193 — HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL DIV AEROSPACE - PHOENIX (USA)
SPECIFICATIONS
materialSTEEL COMP 4340
usage_designEXTERNAL
major_thickness0.250 INCHES NOMINAL IN
casehardening_indicatorNOT CASEHARDENED
end_item_identification2530-01-136-8738 TANK,CMBT,IMPROVED ARMOR,CMBT85SP2,M1IA
material_hardness_rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationAISI 4340 ASSN STD SINGLE MATERIAL RESPONSE
NSN5325-01-073-7748
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 3-020-006-01 · 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: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
•
USAGE DESIGN: EXTERNAL
•
MATERIAL DOCUMENT AND CLASSIFICATION: AISI 4340 ASSN STD SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
MAJOR THICKNESS: 0.250 INCHES NOMINAL IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
TEST DATA DOCUMENT: 19207-12286006 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
TECHNICAL CHARACTERISTICS
MATERIAL HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
USAGE DESIGNEXTERNAL
MATERIAL DOCUMENT AND CLASSIFICATIONAISI 4340 ASSN STD SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
MAJOR THICKNESS0.250 INCHES NOMINAL IN
CASEHARDENING INDICATORNOT CASEHARDENED
SPECIAL FEATURESA CLOSED CIRCLE W/TABS,2 EA,EXTENDING FR INSIDE DIA 180 DEG APART. TAB HT 0.225 IN MIN TO 0.230 IN MAX. TABWIDTH 0.371 IN MIN TO 0.373 IN MAX. TABS EXTEND OUT AT 45 DEG ANGLE TOWARD INSIDE CTR. OUTSIDE DIA 5.160 IN NOM. INSIDE DIA 4.705 IN NOM. BLACK OXIDE COATING. QUENCH HARDENED. OUTSIDE RIM MARKED 19207-12286006 IN
TEST DATA DOCUMENT19207-12286006 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
END ITEM IDENTIFICATION2530-01-136-8738 TANK,CMBT,IMPROVED ARMOR,CMBT85SP2,M1IA
MATERIALSTEEL COMP 4340
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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3-020-006-01?
3-020-006-01 is a RING,RETAINING.
What is the NSN for 3-020-006-01?
3-020-006-01 is cataloged in the U.S. Government catalog under NSN 5325-01-073-7748. This indicates validated use in U.S. government and defense supply chains.
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