PartsTable
Technical Data Sheet
Download PDF

WC551 — TURNBUCKLE BODY

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

WC551: TURNBUCKLE BODY.

The TURNBUCKLE BODY is a the manufacturer industrial component. Key specifications include material: STEEL BODY, body_style: ROUND CLOSED BODY, body_length: 2.250 INCHES NOMINAL IN, thread_class: 3B BODY, surface_treatment: CADMIUM BODY, nominal_thread_size: 0.375 INCHES BODY IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-019-9992, 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
WC551
NSN: 5340-01-019-9992
FSC: 5340 — Hardware, Commercial
CAGE: 71503 — CLARY CORP DBA CLARY CORP DIV CLARY CORPORATION (USA)
SPECIFICATIONS
materialSTEEL BODY
body_styleROUND CLOSED BODY
body_length2.250 INCHES NOMINAL IN
thread_class3B BODY
surface_treatmentCADMIUM BODY
nominal_thread_size0.375 INCHES BODY IN
thread_series_designatorUNF BODY
surface_treatment_document_and_classificationQQ-P-416,TYPE 1,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE BODY
NSN5340-01-019-9992
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: WC551 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TYPE 1,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE BODY
•
BODY STYLE: ROUND CLOSED BODY
•
NOMINAL THREAD SIZE: 0.375 INCHES BODY IN
•
BODY LENGTH: 2.250 INCHES NOMINAL IN
•
SURFACE TREATMENT: CADMIUM BODY
•
THREAD CLASS: 3B BODY
•
MATERIAL: STEEL BODY
•
THREAD SERIES DESIGNATOR: UNF BODY
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 1,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE BODY
BODY STYLEROUND CLOSED BODY
NOMINAL THREAD SIZE0.375 INCHES BODY IN
BODY LENGTH2.250 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM BODY
THREAD CLASS3B BODY
MATERIALSTEEL BODY
THREAD SERIES DESIGNATORUNF BODY
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy WC551?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is WC551?
WC551 is a TURNBUCKLE BODY.
What is the NSN for WC551?
WC551 is cataloged in the U.S. Government catalog under NSN 5340-01-019-9992. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — WC551

✓ 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.