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PartsTable / COMPONENT / HL5191-156
HL5191-156 ✓ 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,STRAIGHT,HEADLESS is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, first_end_style: CHAMFERED, pin_overall_length: 0.613 INCHES MINIMUM AND 0.637 INCHES MAXIMUM IN, pin_overall_diameter: 0.1230 INCHES MINIMUM AND 0.1250 INCHES MAXIMUM IN, first_end_taper_angle: 25.0 DEGREES NOMINAL, first_end_taper_length: 0.010 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-010-3691, 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
HL5191-156
NSN: 5315-00-010-3691
FSC: 5315
CAGE: 93236 — DRESSER-RAND CO WORTHINGTON COMPRESSOR OPN A JOINT VENTURE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
first_end_styleCHAMFERED
pin_overall_length0.613 INCHES MINIMUM AND 0.637 INCHES MAXIMUM IN
pin_overall_diameter0.1230 INCHES MINIMUM AND 0.1250 INCHES MAXIMUM IN
first_end_taper_angle25.0 DEGREES NOMINAL
first_end_taper_length0.010 INCHES NOMINAL IN
material_document_and_classificationQQ-S-633,FS1010 TO FS1030 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
second_end_relationship_with_first_endIDENTICAL
NSN5315-00-010-3691
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: HL5191-156 · 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
•
MATERIAL: STEEL OVERALL
•
FIRST END TAPER ANGLE: 25.0 DEGREES NOMINAL
•
PIN OVERALL DIAMETER: 0.1230 INCHES MINIMUM AND 0.1250 INCHES MAXIMUM IN
•
FIRST END STYLE: CHAMFERED
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-633,FS1010 TO FS1030 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
PIN OVERALL LENGTH: 0.613 INCHES MINIMUM AND 0.637 INCHES MAXIMUM IN
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
•
FIRST END TAPER LENGTH: 0.010 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OVERALL
FIRST END TAPER ANGLE25.0 DEGREES NOMINAL
PIN OVERALL DIAMETER0.1230 INCHES MINIMUM AND 0.1250 INCHES MAXIMUM IN
FIRST END STYLECHAMFERED
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-633,FS1010 TO FS1030 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
PIN OVERALL LENGTH0.613 INCHES MINIMUM AND 0.637 INCHES MAXIMUM IN
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
FIRST END TAPER LENGTH0.010 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
207771Interchangeable
interchangeable cross-reference
interchangeable
751347-5Interchangeable
interchangeable cross-reference
interchangeable
TS68418Interchangeable
interchangeable cross-reference
interchangeable
1-0369-1Interchangeable
interchangeable cross-reference
interchangeable
KC-59-672-M06Interchangeable
interchangeable cross-reference
interchangeable
30220-6Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is HL5191-156?
HL5191-156 is a PIN,STRAIGHT,HEADLESS.
What parts can replace HL5191-156?
There are 11 known substitutes for HL5191-156: 207771, 751347-5, TS68418 and 8 more. Substitute compatibility should be verified for your specific system.
Is HL5191-156 still available?
HL5191-156 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026