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Technical Data Sheet
PartsTable / COMPONENT / 661-5-8
661-5-8 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The LINK,CHAIN,CONNECTING is a the manufacturer industrial component. Key specifications include color: ALUMINUM SINGLE SIDE BORDER, width: 0.500 INCHES NOMINAL IN, length: 2.313 INCHES NOMINAL IN, material: ALUMINUM ALLOY 1100, blade_width: 9.750 INCHES MINIMUM AND 9.750 INCHES MINIMUM AND 10.250 INCHES MAXIMUM10.250 INCHES MAXIMUM IN, inscription: HI-LOW REGULATOR PRESS.-LOW RANGE FIRST SIDE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4010-00-165-5606, 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
661-5-8
NSN: 4010-00-165-5606
FSC: 4010
CAGE: 79577 — NORTH AND JUDD INC WILCOX-CRITTENDEN DIV (USA)
SPECIFICATIONS
colorALUMINUM SINGLE SIDE BORDER
width0.500 INCHES NOMINAL IN
length2.313 INCHES NOMINAL IN
materialALUMINUM ALLOY 1100
blade_width9.750 INCHES MINIMUM AND 9.750 INCHES MINIMUM AND 10.250 INCHES MAXIMUM10.250 INCHES MAXIMUM IN
inscriptionHI-LOW REGULATOR PRESS.-LOW RANGE FIRST SIDE
blade_length5.750 INCHES MINIMUM AND 5.750 INCHES MINIMUM AND 6.250 INCHES MAXIMUM6.250 INCHES MAXIMUM IN
handle_length65.000 INCHES MINIMUM AND 65.000 INCHES MINIMUM AND 67.000 INCHES MAXIMUM67.000 INCHES MAXIMUM IN
overall_width2.188 INCHES NOMINAL IN
overall_length3.312 INCHES NOMINAL IN
special_featuresTWO HOLES IN BLADETWO HOLES IN BLADE
style_designatorD
NSN4010-00-165-5606
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available LINK,CHAIN,CONNECTING TITLE COMPONENT PN 661-5-8 MFR LINK,CHAIN,CONNECTING
KEY FEATURES
•
STYLE DESIGNATOR: D
•
MATERIAL DIAMETER: 0.625 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-Z-325,TY 2 CL 2 FED SPEC 1ST TREATMENT RESPONSE OR ASTM A153 ASSN STD 2ND TREATMENT RESPONSE
•
MATERIAL: STEEL COMP M1020 OR STEEL COMP 1008 OR STEEL COMP 1010 OR STEEL COMP 1012 OR STEEL COMP 1015 OR STEEL COMP 1017 OR STEEL COMP 1020 OR STEEL COMP 1023 OR STEEL COMP 1025
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A575 ASSN STD ALL MATERIAL RESPONSES
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORD
SPECIAL FEATURESASSEMBLED WITH 4 INTEGRAL PINS
MATERIAL DIAMETER0.625 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-Z-325,TY 2 CL 2 FED SPEC 1ST TREATMENT RESPONSE OR ASTM A153 ASSN STD 2ND TREATMENT RESPONSE
MATERIALSTEEL COMP M1020 OR STEEL COMP 1008 OR STEEL COMP 1010 OR STEEL COMP 1012 OR STEEL COMP 1015 OR STEEL COMP 1017 OR STEEL COMP 1020 OR STEEL COMP 1023 OR STEEL COMP 1025
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A575 ASSN STD ALL MATERIAL RESPONSES
OVERALL WIDTH2.188 INCHES NOMINAL IN
OVERALL LENGTH3.312 INCHES NOMINAL IN
NONDEFINITIVE SPEC/STD DATA2 TYPE
SURFACE TREATMENTZINC AND CHROMATE OR ZINC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
1868400Interchangeable
interchangeable cross-reference
interchangeable
BC228Interchangeable
interchangeable cross-reference
interchangeable
GGG-H-496 TY3SZ2Interchangeable
interchangeable cross-reference
interchangeable
66158Interchangeable
interchangeable cross-reference
interchangeable
TA201 TBBInterchangeable
interchangeable cross-reference
interchangeable
500968Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 661-5-8?
661-5-8 is a LINK,CHAIN,CONNECTING.
What parts can replace 661-5-8?
There are 9 known substitutes for 661-5-8: 1868400, BC228, GGG-H-496 TY3SZ2 and 6 more. Substitute compatibility should be verified for your specific system.
Is 661-5-8 still available?
661-5-8 is currently cancelled.
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PartsTable Design LLC · partstable.com
Last verified: July 2026