The Towbar Assembly, cataloged under National Stock Number 4520-00-337-9961, is classified within Federal Supply Class 4520 (Space and Water Heating Equipment) of the Plumbing, Heating, and Waste Disposal group. The manufacturer of record is Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings). Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-00-337-9961 |
| Primary Part Number | CS4520-0004 |
| Item Name | Towbar Assembly |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) |
| Status | ACTIVE |
| General Characteristics Item Description | MATL STEEL,PAINTED YELLOW ENAMEL MIL-E-52227,21.844 IN. W,19.000 IN. LG,1 LOCKING BOLT AND PLATE EA END OF BAR,LUNNETTE OTHER END U SHAPED 5.625 IN. LG,1.500 IN. RADIUS,STEEL TUBE 1.000 IN. OD,0.065 IN. W ALLTHK,3.375 IN. RADIUS CONNECTIONS LUNNETTE WITH BAR IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| CS4520-0004 PRIMARY | Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA) |
| Reference | Meaning |
|---|---|
| TXF97 | 5/9 Secondary reference U.S. Government activity |
NSN 4520-00-337-9961 is a Towbar Assembly, manufactured by Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings), classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-00-337-9961 has 1 manufacturer part number on file: CS4520-0004 (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)).
Key specifications for CS4520-0004: General Characteristics Item Description: MATL STEEL,PAINTED YELLOW ENAMEL MIL-E-52227,21.844 IN. W,19.000 IN. LG,1 LOCKING BOLT AND PLATE EA END OF BAR,LUNNETTE OTHER END U SHAPED 5.625 IN. LG,1.500 IN. RADIUS,STEEL TUBE 1.000 IN. OD,0.065 IN. W ALLTHK,3.375 IN. RADIUS CONNECTIONS LUNNETTE WITH BAR IN. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.