PartsTable
Technical Data Sheet
Download PDF

4086 — BOOT,DUST AND MOISTURE SEAL

✓ Government record, cited
Hama · MRO · MRO_GENERAL
PRODUCT OVERVIEW

4086: BOOT,DUST AND MOISTURE SEAL.

The BOOT,DUST AND MOISTURE SEAL is a Hama industrial component. Key specifications include special_features: PART OF TREE SPRAYER,MOUNTS ON SPRAYING HOSE, end_item_identification: SPRAYER,SMITHCO CORPORATION,MODELS 6804,6809,6813,7719. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-018-0425, 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
MRO→ MRO_GENERAL→ 4086
NSN: 4820-00-018-0425
NIINs: 000180425, 002217961, 002615112, 003436621, 006589654, 007837761, 008983353, 009417981, 010543836, 012966688, 013245135
FSC: 4820 — Valves, Nonpowered
CAGE: 91816 — CIRCOR AEROSPACE, INC. DBA CIRCOR AEROSPACE INC (USA)
SPECIFICATIONS
special_featuresPART OF TREE SPRAYER,MOUNTS ON SPRAYING HOSE
end_item_identificationSPRAYER,SMITHCO CORPORATION,MODELS 6804,6809,6813,7719
NSN4820-00-018-0425
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 4086 · Hama ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
OUTSIDE DIAMETER: 0.750 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PLAIN
•
INSIDE DIAMETER: 0.250 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.219 INCHES NOMINAL IN
OUTSIDE DIAMETER0.750 INCHES NOMINAL IN
STYLE DESIGNATORPLAIN
INSIDE DIAMETER0.250 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC
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 4086?
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 4086?
4086 is a BOOT,DUST AND MOISTURE SEAL manufactured by Hama. It is classified as a MRO (MRO_GENERAL).
What is the NSN for 4086?
4086 is cataloged in the U.S. Government catalog under NSN 4820-00-018-0425. 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 — 4086

✓ 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.