PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

550-3-4Gasket

Tobeyco Mfg, Co, Inc. Div Federal Brass Mfg. · NSN 5330-01-035-4921 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-01-035-4921 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-035-4921. Primary manufacturer part number: 550-3-4.
Features
  • Gasket — FSC 5330
  • Supplementary Features: CROSS-SECTIONAL SHAPE STYLE:NO.195 IRREGULAR SHAPE FROM FIIG A03200
  • 2 verified cross-references
  • Primary manufacturer: Tobeyco Mfg, Co, Inc. Div Federal Brass Mfg.
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The Gasket, cataloged under National Stock Number 5330-01-035-4921, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Tobeyco Mfg, Co, Inc. Div Federal Brass Mfg.. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-01-035-4921
Primary Part Number550-3-4
Item NameGasket
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerTobeyco Mfg, Co, Inc. Div Federal Brass Mfg.
StatusACTIVE
Supplementary FeaturesCROSS-SECTIONAL SHAPE STYLE:NO.195 IRREGULAR SHAPE FROM FIIG A03200
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5365-00-595-6988 INTERCHANGEABLE
Shim
5330-00-641-097253X2519 INTERCHANGEABLE
Seal,plain Encased
Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc
3455-00-764-686451-10259 INTERCHANGEABLE
Cutter,milling,end
Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039
5133-00-838-5345 INTERCHANGEABLE
Drill,twist
4730-00-930-4057SAE J512 12 010111B INTERCHANGEABLE
Nut,tube Coupling
Sae International Dba Sae International
4210-01-140-1759284051 INTERCHANGEABLE
Vent,manifold
Kidde-Fenwal, Llc
5340-01-155-755055034 INTERCHANGEABLE
Plug,vent
Tyco Fire Products Lp
5355-01-280-0542 INTERCHANGEABLE
Knob
4810-01-486-4550NB25025E-0200-4 INTERCHANGEABLE
Disk,valve
Hunt Valve Company, Inc.
Cross-Reference Index
Part NumberManufacturer
550-3-4 PRIMARY Tobeyco Mfg, Co, Inc. Div Federal Brass Mfg. (USA)
550-3REF4 Tobeyco Mfg, Co, Inc. Div Federal Brass Mfg. (USA)
Related Parts
5365-00-595-6988INTERCHANGEABLE
SHIM
5330-00-641-0972INTERCHANGEABLE
SEAL,PLAIN ENCASED
53X2519
3455-00-764-6864INTERCHANGEABLE
CUTTER,MILLING,END
51-10259
5133-00-838-5345INTERCHANGEABLE
DRILL,TWIST
4730-00-930-4057INTERCHANGEABLE
NUT,TUBE COUPLING
SAE J512 12 010111B
4210-01-140-1759INTERCHANGEABLE
VENT,MANIFOLD
284051
5340-01-155-7550INTERCHANGEABLE
PLUG,VENT
55034
5355-01-280-0542INTERCHANGEABLE
KNOB
4810-01-486-4550INTERCHANGEABLE
DISK,VALVE
NB25025E-0200-4

Frequently Asked Questions

What is NSN 5330-01-035-4921?

NSN 5330-01-035-4921 is a Gasket, manufactured by Tobeyco Mfg, Co, Inc. Div Federal Brass Mfg., classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-01-035-4921?

NSN 5330-01-035-4921 has 2 cross-referenced part numbers: 550-3-4 (Tobeyco Mfg, Co, Inc. Div Federal Brass Mfg.), 550-3REF4 (Tobeyco Mfg, Co, Inc. Div Federal Brass Mfg.).

What NSN replaces 5330-01-035-4921?

There are 9 known substitutes for 5330-01-035-4921: 5365-00-595-6988, 5330-00-641-0972, 3455-00-764-6864 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 550-3-4?

Key specifications for 550-3-4: Supplementary Features: CROSS-SECTIONAL SHAPE STYLE:NO.195 IRREGULAR SHAPE FROM FIIG A03200; Special Features: STYLE DESIGNATOR:NO.60 IRREGULAR SHAPE FROM FIIG A03200. 2 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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