PartsTable
Technical Data Sheet
Download PDF

5905998 — GUIDE,VALVE STEM

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

5905998: GUIDE,VALVE STEM.

The GUIDE,VALVE STEM is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303, bore_diameter: 0.2540 INCHES NOMINAL IN, overall_length: 0.750 INCHES NOMINAL IN, bore_counterbore: NOT INCLUDED, bore_countersink: INCLUDED, outside_diameter: 1.212 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-268-9919, 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
5905998
NSN: 4820-01-268-9919
FSC: 4820 — Valves, Nonpowered
CAGE: 05825 — O T S I (USA)
SPECIFICATIONS
materialSTEEL COMP 303
bore_diameter0.2540 INCHES NOMINAL IN
overall_length0.750 INCHES NOMINAL IN
bore_counterboreNOT INCLUDED
bore_countersinkINCLUDED
outside_diameter1.212 INCHES NOMINAL IN
style_designatorPLAIN FLANGED
countersink_length0.031 INCHES NOMINAL IN
countersink_locationAA END AND BB END
aa_end_chamfer_length0.031 INCHES NOMINAL IN
bb_end_chamfer_length0.060 INCHES NOMINAL IN
bb_end_shank_diameter0.688 INCHES NOMINAL IN
NSN4820-01-268-9919
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 5905998 · OEM ⚠ 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
•
COUNTERSINK ANGLE IN DEG: 45.0
•
AA END CHAMFER ANGLE IN DEG: 45.0
•
AA END CHAMFER LENGTH: 0.031 INCHES NOMINAL IN
•
MAJOR DIAMETER LENGTH: 0.240 INCHES NOMINAL IN
•
BB END SHANK DIAMETER: 0.688 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PLAIN FLANGED
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-764, TYPE 303-CANCELED FED SPEC 1ST MATERIAL RESPONSE
TECHNICAL CHARACTERISTICS
COUNTERSINK ANGLE IN DEG45.0
AA END CHAMFER ANGLE IN DEG45.0
AA END CHAMFER LENGTH0.031 INCHES NOMINAL IN
MAJOR DIAMETER LENGTH0.240 INCHES NOMINAL IN
BB END SHANK DIAMETER0.688 INCHES NOMINAL IN
STYLE DESIGNATORPLAIN FLANGED
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-764, TYPE 303-CANCELED FED SPEC 1ST MATERIAL RESPONSE
OVERALL LENGTH0.750 INCHES NOMINAL IN
BORE COUNTERBORENOT INCLUDED
OUTSIDE DIAMETER1.212 INCHES NOMINAL IN
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
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
Ready to buy 5905998?
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 5905998?
5905998 is a GUIDE,VALVE STEM.
What is the NSN for 5905998?
5905998 is cataloged in the U.S. Government catalog under NSN 4820-01-268-9919. 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 — 5905998

✓ 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.