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26187 — COUPLER,DIRECTIONAL

✓ Government record, cited
Trefl · NUT WASHER
PRODUCT OVERVIEW

26187: COUPLER,DIRECTIONAL.

The COUPLER,DIRECTIONAL is a Trefl industrial component. Key specifications include shape: RECTANGULAR, width: 36.000 INCHES NOMINAL IN, length: 60.000 INCHES NOMINAL IN, material: RUBBER SYNTHETIC, thickness: 0.50 INCHES NOMINAL IN, unit_type: TRANSMISSION LINE. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-121-7629, 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
26187
NSN: 5310-00-121-7629
NIINs: 001217629, 002772323, 004290680, 008216379, 012245865, 013443060, 014112979, 015427084
FSC: 5310 — Nuts and Washers
CAGE: 97153 — GOODRICH CORPORATION DIV COLLINS AEROSPACE, LANDING SYSTEMS (WHEELS & BRAKES) (USA)
SPECIFICATIONS
shapeRECTANGULAR
width36.000 INCHES NOMINAL IN
length60.000 INCHES NOMINAL IN
materialRUBBER SYNTHETIC
thickness0.50 INCHES NOMINAL IN
unit_typeTRANSMISSION LINE
design_typeBIDIRECTIONAL
shank_styleSTRAIGHT
skirt_styleRING
shank_length0.235 INCHES MAXIMUM IN
skirt_designNONDETACHABLE
hole_diameter0.314 INCHES MINIMUM AND 0.316 INCHES MAXIMUM IN
NSN5310-00-121-7629
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 26187 · Trefl ⚠ 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: ES6,45HARD,FSCM 97153 MFR REF SINGLE TREATMENT RESPONSE OVERALL
•
SHOULDER HEIGHT: 0.125 INCHES NOMINAL IN
•
HEAT TREATMENT: T-4 SOLUTION HEAT TREATED, NATURAL AGED
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STYLE DESIGNATOR: SHOULDERED
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MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-200/3 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 1.012 INCHES MINIMUM AND 1.017 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.084 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN
•
SHOULDER DIAMETER: 0.900 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONES6,45HARD,FSCM 97153 MFR REF SINGLE TREATMENT RESPONSE OVERALL
SHOULDER HEIGHT0.125 INCHES NOMINAL IN
HEAT TREATMENTT-4 SOLUTION HEAT TREATED, NATURAL AGED
STYLE DESIGNATORSHOULDERED
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-200/3 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER1.012 INCHES MINIMUM AND 1.017 INCHES MAXIMUM IN
MATERIAL THICKNESS0.084 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN
SHOULDER DIAMETER0.900 INCHES NOMINAL IN
SURFACE TREATMENTANODIZE OVERALL
MATERIALALUMINUM ALLOY 2024 OVERALL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 26187?
26187 is a COUPLER,DIRECTIONAL manufactured by Trefl.
What is the NSN for 26187?
26187 is cataloged in the U.S. Government catalog under NSN 5310-00-121-7629. This indicates validated use in U.S. government and defense supply chains.
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