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401.946 — RETAINER,HELICAL COMPRESSION SPR

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

401.946: RETAINER,HELICAL COMPRESSION SPR.

RETAINER,HELICAL COMPRESSION SPR. Key specifications include material: TITANIUM OVERALL, overall_length: 16.0 MILLIMETERS NOMINAL MM, weighted_feature: NOT PROVIDED, design_designation: SYNTHES, part_name_assigned_by_controlling_agency: TITANIUM CORTEX SCREW COARSE PITCH 2MM SELF-TAPPING 16MM 5S MM. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-559-6834, 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
401.946
NSN: 5315-00-559-6834
NIINs: 005596834, 015044737
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 66503 — WOODWARD, INC. DIV FUEL SYSTEMS AND CONTROLS (USA)
SPECIFICATIONS
materialTITANIUM OVERALL
overall_length16.0 MILLIMETERS NOMINAL MM
special_featuresCORTEX SCREWS, COARSE PITCH, SELF-TAPPING; THREAD PITCH 1.0 MM; DIA OF CORE 1.4 MM; DIA OF HEAD 3.5 MM; FOR USE DURING MANDIBULAR/CRANIOFACIAL PROCEDURES; 2.0 MM CORTEX SCREW MM
weighted_featureNOT PROVIDED
design_designationSYNTHES
part_name_assigned_by_controlling_agencyTITANIUM CORTEX SCREW COARSE PITCH 2MM SELF-TAPPING 16MM 5S MM
NSN5315-00-559-6834
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 401.946 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
CHAMFER LENGTH: 0.015 INCHES NOMINAL IN
•
HOLE ARRANGEMENT STYLE: ONE END DRILLED
•
UNDER HEAD LENGTH: 0.700 INCHES NOMINAL IN
•
PIN CHAMFER ANGLE: 45.0 DEGREES NOMINAL
•
FIRST HOLE DIAMETER: 0.047 INCHES NOMINAL IN
•
HARDNESS RATING: 38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
•
STYLE DESIGNATOR: STRAIGHT
•
PIN HEAD DIAMETER: 0.190 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CHAMFER LENGTH0.015 INCHES NOMINAL IN
HOLE ARRANGEMENT STYLEONE END DRILLED
UNDER HEAD LENGTH0.700 INCHES NOMINAL IN
PIN CHAMFER ANGLE45.0 DEGREES NOMINAL
FIRST HOLE DIAMETER0.047 INCHES NOMINAL IN
HARDNESS RATING38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
STYLE DESIGNATORSTRAIGHT
PIN HEAD DIAMETER0.190 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OVERALL
DIAMETER0.1246 INCHES MINIMUM AND 0.1249 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 401.946?
401.946 is a RETAINER,HELICAL COMPRESSION SPR.
What is the NSN for 401.946?
401.946 is cataloged in the U.S. Government catalog under NSN 5315-00-559-6834. This indicates validated use in U.S. government and defense supply chains.
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