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Technical Data Sheet
PartsTable / COMPONENT / 26-121
26-121 ✓ Verified by PartsTable
Trefl · 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

Premium quality is achieved by using appropriate thick cardboard, a special non-reflective layer, and puzzle pieces’ perfect fitting. Key specifications include material: STEEL, unpackaged_unit_weight: 110.0 POUNDS LBS, part_name_assigned_by_controlling_agency: MEDIAL GRIP PRO STYLE DUMBELL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5120-00-187-7129, 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
26-121
NSN: 5120-00-187-7129
FSC: 5120
CAGE: 03914 — ARMSTRONG BROS TOOL CO (USA)
SPECIFICATIONS
materialSTEEL
unpackaged_unit_weight110.0 POUNDS LBS
part_name_assigned_by_controlling_agencyMEDIAL GRIP PRO STYLE DUMBELL
NSN5120-00-187-7129
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: Trefl COMPRESSOR,NONAIRCRAFT GAS TURBI TITLE COMPONENT PN 26-121 MFR Trefl COMPRESSOR,NONAIRCRAFT
KEY FEATURES
•
SURFACE TREATMENT: CHROMIUM OVERALL
•
WRENCHING SURFACE SIZE: 0.812 INCHES NOMINAL SECOND END IN
•
LARGE END HEAD ANGLE: 15.0 DEGREES NOMINAL
•
STYLE DESIGNATOR: DOUBLE HEAD
•
ENVIRONMENTAL ATTRIBUTE CODE: PLASTICS REMOVAL IN THE MARINE ENVIRONMENT (PRIME) PRODUCT
•
SPECIFICATION/STANDARD DATA: 05047-ASME B107.100 CAT 39 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTCHROMIUM OVERALL
WRENCHING SURFACE SIZE0.812 INCHES NOMINAL SECOND END IN
LARGE END HEAD ANGLE15.0 DEGREES NOMINAL
SPECIAL FEATURESFORGED STEEL
STYLE DESIGNATORDOUBLE HEAD
ENVIRONMENTAL ATTRIBUTE CODEPLASTICS REMOVAL IN THE MARINE ENVIRONMENT (PRIME) PRODUCT
WRENCHING SURFACE SIZE0.750 INCHES NOMINAL FIRST END IN
SPECIFICATION/STANDARD DATA05047-ASME B107.100 CAT 39 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
SMALL END HEAD ANGLE15.0 DEGREES NOMINAL
SMALL END HEAD THICKNESS0.375 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
4037-SInterchangeable
interchangeable cross-reference
interchangeable
4037Interchangeable
interchangeable cross-reference
interchangeable
16776-037Interchangeable
interchangeable cross-reference
interchangeable
1610025P16Interchangeable
interchangeable cross-reference
interchangeable
4037M07F09Interchangeable
interchangeable cross-reference
interchangeable
285-65-904ITEM67Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 26-121?
26-121 is a COMPRESSOR,NONAIRCRAFT GAS TURBI manufactured by Trefl.
What parts can replace 26-121?
There are 28 known substitutes for 26-121: 4037-S, 4037, 16776-037 and 25 more. Substitute compatibility should be verified for your specific system.
Is 26-121 still available?
26-121 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