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1706-41 — WASHER,KEY

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

1706-41: WASHER,KEY.

The WASHER,KEY is a the manufacturer industrial component. Key specifications include width: 0.324 INCHES MINIMUM AND 0.364 INCHES MAXIMUM IN, length: 0.730 INCHES MINIMUM AND 0.770 INCHES MAXIMUM IN, inscription: 1ST INSCRIPTION: MFD---; 2ND: CURE--- FIRST SIDE, basic_shape_style: RECTANGULAR, marking_designation: LEGEND FIRST SIDE. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-478-9372, 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
1706-41
NSN: 5310-00-478-9372
NIINs: 004789372, 007271006
FSC: 5310 — Nuts and Washers
CAGE: 6Z056 — CM MANUFACTURING INC DBA CM MANUFACTURING INC (USA)
SPECIFICATIONS
width0.324 INCHES MINIMUM AND 0.364 INCHES MAXIMUM IN
length0.730 INCHES MINIMUM AND 0.770 INCHES MAXIMUM IN
inscription1ST INSCRIPTION: MFD---; 2ND: CURE--- FIRST SIDE
basic_shape_styleRECTANGULAR
marking_designationLEGEND FIRST SIDE
NSN5310-00-478-9372
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 1706-41 · 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
•
WIRE HOLE DIAMETER: 0.250 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: CPT 8204,FSCM 13002 MFR REF SINGLE TREATMENT RESPONSE OVERALL
•
INTERNAL PREBENT KEY WIDTH: 0.231 INCHES MINIMUM AND 0.241 INCHES MAXIMUM IN
•
HARDNESS RATING: 40.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM
•
STYLE DESIGNATOR: INTERNAL PREBENT KEY
•
OUTSIDE DIAMETER: 2.750 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
WIRE HOLE DIAMETER0.250 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONCPT 8204,FSCM 13002 MFR REF SINGLE TREATMENT RESPONSE OVERALL
INTERNAL PREBENT KEY WIDTH0.231 INCHES MINIMUM AND 0.241 INCHES MAXIMUM IN
HARDNESS RATING40.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM
STYLE DESIGNATORINTERNAL PREBENT KEY
OUTSIDE DIAMETER2.750 INCHES NOMINAL IN
MATERIAL THICKNESS0.250 INCHES NOMINAL IN
SPECIAL FEATURES3 TAPPED HOLES 0.250-28 UNF 3B
SURFACE TREATMENTCADMIUM OVERALL
MATERIALSTEEL COMP 4340 OVERALL
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 1706-41?
1706-41 is a WASHER,KEY.
What is the NSN for 1706-41?
1706-41 is cataloged in the U.S. Government catalog under NSN 5310-00-478-9372. 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.