PartsTable
Technical Data Sheet
1664-361 ✓ Verified by PartsTable
· NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The PIN,SHOULDER,HEADLESS is a the manufacturer industrial component. Key specifications include material: STEEL COMP B1112 OVERALL, shank_length: 0.520 INCHES MINIMUM AND 0.540 INCHES MAXIMUM IN, overall_length: 0.680 INCHES MINIMUM AND 0.700 INCHES MAXIMUM IN, shank_diameter: 0.250 INCHES MINIMUM AND 0.252 INCHES MAXIMUM IN, first_end_style: SQUARE, hardness_rating: 88.0 ROCKWELL SUPERFICIAL 15-N MINIMUM OVERALL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-653-5779, 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
1664-361
NSN: 5315-00-653-5779
FSC: 5315
CAGE: 86403 — CHRYSLER CORP SERVICE AND PARTS OPNS (USA)
SPECIFICATIONS
materialSTEEL COMP B1112 OVERALL
shank_length0.520 INCHES MINIMUM AND 0.540 INCHES MAXIMUM IN
overall_length0.680 INCHES MINIMUM AND 0.700 INCHES MAXIMUM IN
shank_diameter0.250 INCHES MINIMUM AND 0.252 INCHES MAXIMUM IN
first_end_styleSQUARE
hardness_rating88.0 ROCKWELL SUPERFICIAL 15-N MINIMUM OVERALL
style_designatorSHOULDER
features_providedCASEHARDENED
shoulder_diameter0.3050 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM IN
first_end_locationBOTH ENDS
second_end_relationship_with_first_endIDENTICAL
NSN5315-00-653-5779
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 1664-361 · 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
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
SHANK LENGTH: 0.520 INCHES MINIMUM AND 0.540 INCHES MAXIMUM IN
STYLE DESIGNATOR: SHOULDER
MATERIAL: STEEL COMP B1112 OVERALL
SHANK DIAMETER: 0.250 INCHES MINIMUM AND 0.252 INCHES MAXIMUM IN
HARDNESS RATING: 88.0 ROCKWELL SUPERFICIAL 15-N MINIMUM OVERALL
FIRST END STYLE: SQUARE
TECHNICAL CHARACTERISTICS (FLIS)
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
SHANK LENGTH0.520 INCHES MINIMUM AND 0.540 INCHES MAXIMUM IN
STYLE DESIGNATORSHOULDER
MATERIALSTEEL COMP B1112 OVERALL
SHANK DIAMETER0.250 INCHES MINIMUM AND 0.252 INCHES MAXIMUM IN
OVERALL LENGTH0.680 INCHES MINIMUM AND 0.700 INCHES MAXIMUM IN
HARDNESS RATING88.0 ROCKWELL SUPERFICIAL 15-N MINIMUM OVERALL
FIRST END STYLESQUARE
SHOULDER DIAMETER0.3050 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM IN
FIRST END LOCATIONBOTH ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
SK1744DPC22Interchangeable
interchangeable cross-reference
interchangeable
H9121-1Interchangeable
interchangeable cross-reference
interchangeable
9121-1Interchangeable
interchangeable cross-reference
interchangeable
1229C705Interchangeable
interchangeable cross-reference
interchangeable
BB27158Interchangeable
interchangeable cross-reference
interchangeable
4-1809Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1664-361?
1664-361 is a PIN,SHOULDER,HEADLESS.
What parts can replace 1664-361?
There are 9 known substitutes for 1664-361: SK1744DPC22, H9121-1, 9121-1 and 6 more. Substitute compatibility should be verified for your specific system.
Is 1664-361 still available?
1664-361 is currently cancelled.
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