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21-0125 — SCREW,MACHINE

✓ Government record, cited
Vertiv · ORING SEAL
PRODUCT OVERVIEW

21-0125: SCREW,MACHINE.

CAT 5, RJ-45 - DB-25 Female adapter, DTE (8 Wire). Key specifications include head_style: PAN NO. 2, head_height: 0.099 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.357 INCHES MINIMUM AND 0.373 INCHES MAXIMUM IN, thread_length: 0.188 INCHES MAXIMUM IN, screw_material: STEEL COMP 302.

This part is cataloged in the U.S. Government catalog under NSN 5330-01-436-5773, 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
21-0125
NSN: 5330-01-436-5773
NIINs: 014365773, 014463357
FSC: 5330 — Packing and Gasket Materials
CAGE: 0H0S2 — WHITE CONSOLIDATED INDUSTRIES INC DITO DEAN FOOD PREP DIV (USA)
SPECIFICATIONS
head_stylePAN NO. 2
head_height0.099 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.357 INCHES MINIMUM AND 0.373 INCHES MAXIMUM IN
thread_length0.188 INCHES MAXIMUM IN
screw_materialSTEEL COMP 302
fastener_length0.250 INCHES NOMINAL IN
thread_directionRIGHT-HAND
internal_drive_styleCROSS RECESS TYPE 1
nominal_thread_diameter0.190 INCHES IN
screw_surface_treatmentPASSIVATE
thread_quantity_per_inch32
NSN5330-01-436-5773
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 21-0125 MFR: Vertiv ⚠ 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
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 21-0125?
21-0125 is a SCREW,MACHINE manufactured by Vertiv.
What is the NSN for 21-0125?
21-0125 is cataloged in the U.S. Government catalog under NSN 5330-01-436-5773. 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.