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B107.21 TY1CL2 — CROWFOOT ATTACHMENT,SOCKET WRENC

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

B107.21 TY1CL2: CROWFOOT ATTACHMENT,SOCKET WRENC.

CROWFOOT ATTACHMENT,SOCKET WRENC. Key specifications include material: STEEL OVERALL, opening_width: 2.062 INCHES NOMINAL IN, overall_width: 3.656 INCHES MAXIMUM IN, head_thickness: 1.250 INCHES NOMINAL IN, overall_length: 2.750 INCHES NOMINAL IN, drive_end_shape: SQUARE SINGLE END INTERNAL. This part is cataloged in the U.S.

Government catalog under NSN 5120-00-184-8392, 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
B107.21 TY1CL2
NSN: 5120-00-184-8392
NIINs: 001848392, 013351133, 013351157, 013351158, 013351159, 013351160, 013351162, 013351163, 013351165, 013351166, 013551676, 013551677, 013551681, 013551682, 013551683, 013551684, 013551685, 013551686, 013551687, 013551688, 013551689, 013551691, 013551916, 014291086, 014291091, 014291092, 016567214
FSC: 5120 — Hand Tools, Nonedged, Nonpowered
CAGE: 80244 — GENERAL SERVICES ADMINISTRATION FEDERAL SUPPLY SERVICE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
opening_width2.062 INCHES NOMINAL IN
overall_width3.656 INCHES MAXIMUM IN
head_thickness1.250 INCHES NOMINAL IN
overall_length2.750 INCHES NOMINAL IN
drive_end_shapeSQUARE SINGLE END INTERNAL
furnished_itemsPLASTIC TRAY
style_designatorOPEN END
surface_treatmentCHROMIUM OVERALL
component_quantity7
drive_surface_size0.375 INCHES NOMINAL SINGLE END IN
wrenching_surface_size1.563 INCHES NOMINAL SINGLE END IN
NSN5120-00-184-8392
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CROWFOOT ATTACHMENT,SOCKET WRENC TITLE COMPONENT PN B107.21 TY1CL2 MFR CROWFOOT ATTACHMENT,SO
KEY FEATURES
•
DRIVE SURFACE SIZE: 0.500 INCHES NOMINAL SINGLE END IN
•
WRENCHING SURFACE SIZE: 2.688 INCHES NOMINAL SINGLE END IN
•
STYLE DESIGNATOR: FLARE NUT
•
OPENING WIDTH: 2.062 INCHES NOMINAL IN
•
DEPARTURE FROM CITED DESIGNATOR: AS MODIFIED BY WRENCHING SIZE
•
SPECIFICATION/STANDARD DATA: 0U583-SAE AS4167 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
TECHNICAL CHARACTERISTICS
DRIVE SURFACE SIZE0.500 INCHES NOMINAL SINGLE END IN
WRENCHING SURFACE SIZE2.688 INCHES NOMINAL SINGLE END IN
STYLE DESIGNATORFLARE NUT
OPENING WIDTH2.062 INCHES NOMINAL IN
OVERALL LENGTH4.375 INCHES NOMINAL IN
OVERALL WIDTH3.656 INCHES MAXIMUM IN
DEPARTURE FROM CITED DESIGNATORAS MODIFIED BY WRENCHING SIZE
SPECIFICATION/STANDARD DATA0U583-SAE AS4167 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
NONDEFINITIVE SPEC/STD DATA1 TYPE AND 1 CLASS AND C STYLE AND A DESIGN
WRENCHING SURFACE SHAPE12 POINT SINGLE END INTERNAL
OTHER ITEMS IN FSC 5120 — Hand Tools, Nonedged, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5120-00-001-2642 5120-00-001-2644 5120-00-001-2650 5120-00-001-2651 5120-00-001-2652 5120-00-001-2653 5120-00-001-2654 5120-00-001-2655
SUBSTITUTES & CROSS-REFERENCES 6
B107.100Reference document
Same NSN cross-reference
Reference document — Secondary reference
GGG-C-1507Reference document
Same NSN cross-reference
Reference document — Secondary reference
GGG-C-1507 TY1CL3Reference document
Same NSN cross-reference
Reference document — Secondary reference
AS4167Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
AS4167 TY1CL1STCDEAReference document
Same NSN cross-reference
Reference document — Secondary reference
B107.21Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is B107.21 TY1CL2?
B107.21 TY1CL2 is a CROWFOOT ATTACHMENT,SOCKET WRENC.
What parts can replace B107.21 TY1CL2?
There are 6 known substitutes for B107.21 TY1CL2: B107.100, GGG-C-1507, GGG-C-1507 TY1CL3 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B107.21 TY1CL2?
B107.21 TY1CL2 is cataloged in the U.S. Government catalog under NSN 5120-00-184-8392. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.