The Backer Rod, cataloged under National Stock Number 5680-01-681-5032, is classified within Federal Supply Class 5680 (Miscellaneous Construction Materials) of the Construction and Building Materials group. The manufacturer of record is Rectorseal Corp the. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5680-01-681-5032 |
| Primary Part Number | 66112 |
| Item Name | Backer Rod |
| FSC / FSG | 5680 / 56 — Miscellaneous Construction Materials |
| Manufacturer | Rectorseal Corp the |
| Status | ACTIVE |
| Overall Diameter | 1.0 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 66112 PRIMARY | Rectorseal Corp the (USA) |
NSN 5680-01-681-5032 is a Backer Rod, manufactured by Rectorseal Corp the, classified under FSC 5680, Miscellaneous Construction Materials. Status: active.
NSN 5680-01-681-5032 has 1 manufacturer part number on file: 66112 (Rectorseal Corp the).
Key specifications for 66112: Overall Diameter: 1.0 INCHES NOMINAL IN; Special Features: 75-FOOT LENGTH; ROUND, FLEXIBLE CLOSED CELL POLYETHYLENE; USE TO CREATE A BACK STOP; COMPRESSES UP TO 60%; WILL NOT STICK TO SEALANTS; HIGH MOISTURE RESISTANCE; WILL NOT ABSORB GROUND WATER; EST 1.16 LBS LBS. 1 specification is documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.